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You Are Here:   Home  >  What Do You Want to Do?  >  Snow Sports  >  Boulder Winter Trails

Boulder Region Winter Trails Index

On This Page:  Trails Map  I  Trails List 

Snowshoeing / Cross-Country Skiing Trails Map

Blue trail marker= Trail marker. Click for trail name, difficulty, miles and link to map/description sheet.

Yellow trail system marker= Federal trail system marker. Click for system name, additional information and links to descriptive webpages and/or maps.

Green trail system marker= State trail system marker. Click for system name, additional information and links to descriptive webpages and/or maps.

Red trail system marker= Local trail system marker. Click for system name, additional information and links to descriptive webpages and/or maps.

Cyan trail system marker= Commercial trail system marker. Click for system name, additional information and links to descriptive webpages and/or maps.

WARNING: A marker close to another may hide it. Zoom in to separate overlapped markers. 


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Snowshoeing / Cross-Country Skiing Trails List

TIP: To find the trails below on the map above: (1) remember the trail name below; (2) click the "list" icon in the upper left corner of the map above; (3) an alphabetized list of markers with trail names will appear; (4) click the trail you want in that list; and (5) its marker will be expanded on the map.

Trail Name / Link to Description 1-Way (mi) Rise (ft) Difficulty
Bald Mountain Scenic Area Pines to Peak Loop Trail. (Boulder County Parks and Open Space.) BCP&OS park webpage. BCP@OS park brochure. BCP&OS trail map. BCP&OS trails elevation graph.
See chapter "23. Bald Mountain Scenic Area" in Falcon Guide Hiking Colorado's Front Range.
See description "Bald Mountain Loop" under "East Map (Boulder) Trails" on Sky Terrain's map Boulder / Nederland.
1.5 +160 Easy
Baptiste Trail #815. USFS winter quicksheet 1.0 + approach    
Beaver Reservoir Cutoff Trail #835. (Also known as #851. No line or number on USFS map.)  USFS webpage. .5 +200 Easy
Betasso Preserve Trail System. (Boulder County Parks and Open Space.) BCP&OS park webpage. BCP@OS park brochure. BCP&OS trails map. BCP&OS trails elevation graph.
See chapter "24. Betasso Preserve" in Falcon Guide Hiking Colorado's Front Range.
See description "Canyon Trail -- Benjamin Loop -- Fourmile Connector" under "Boulder County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Canyon Trail -- Betasso Preserve" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Canyon Loop (Betasso Preserve)" under "East Map (Boulder) Trails" on Sky Terrain's map Boulder / Nederland.
See description "Canyon Trail -- Betasso Preserve" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
     
Brainard Lake Recreation Area Trail System (US Forest Service). Brainard Lake Road #112, Lefthand Park Reservoir Road #232, CMC South Trail #814, Waldrop North Trail #814.1, Little Raven Trail #802, Snowshoe Trail. USFS webpage. USFS winter quicksheet. USFS map. USFS CMC Trail webpage. USFS Little Raven Trail webpage. USFS Waldrop Trail webpage. USFS Red Rock Trailhead webpage.
See chapter "9 Brainard Lake" in Falcon Guides book Winter Trails Colorado.
See chapter "6. CMC - Brainard Lake Road Loop" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "7. CMC Cabin via Waldrop Trail" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "8. CMC South Trail" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "10. Left Hand Reservoir" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "11. Little Raven - CMC Loop" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "12. Long Lake" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "25. Red Rock Lake and Brainard Lake" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "26. Mitchell and Blue Lakes" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "27. Mount Audubon" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "28. Long Lake and Lake Isabelle" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
     
Buchanan Pass Trail #910 / #910.1. USFS webpage. USFS quicksheet. USFS winter quicksheet. USFS Peaceful Valley Campground webpage.
See chapter "10 Middle Saint Vrain / Buchanan Pass Lake" in Falcon Guides book Winter Trails Colorado.
See chapter "20. Buchanan Pass Trail and Middle Saint Vrain Creek" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "10 Middle Saint Vrain / Buchanan Pass Lake" in Falcon Guides book Winter Trails Colorado.

See chapter "15 Timberline Falls at Camp Dick" in FalconGuides book Hiking Waterfalls in Colorado.
See description "Buchanan Pass Trail to Coney Creek Rd 507 Loop" under "Boulder County" on Latitude 40 Degrees Front Range Colorado Trails Recreation Topo Map.
See description "Buchanan Pass Trail 910 to Monarch Lake via Cascade Creek Trail 1" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Buchanan Pass Trail to Coney Creek Rd 507 Loop" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Buchanan Pass Trail 910 to Monarch Lake via Cascade Creek Trail 1" under "Non-Mechanized Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Buchanan Pass Trail #910" under "North Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Buchanan Pass Trail 910 to Monarch Lake via Cascade Creek Trail 1" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
9.1 +3,237 Moderate to Strenuous
Caribou Ghost Town / Forest Road #505 Trail System (US Forest Service).
See description "Caribou Area FR #505" under "South Map Trails" on Sky Terrain map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
     
Caribou Ranch Trail System (Boulder County Parks and Open Space). BCP&OS park webpage. BCP&OS park brochure BCP&OS trails map. BCP&OS trails elevation graph.
See chapter "30. Caribou Ranch" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See description "Delonde Trail to Bluebird Loop -- Caribou Ranch Open Space" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Caribou Ranch Open Space -- Delonde Trail to Bluebird Loop" under "Non-Mechanized Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Caribou Ranch (Blue Bird Loop & Delonde Tr)" under "West Map (Nederland) Trails" on Sky Terrain's map Boulder / Nederland.
See description "Caribou Ranch Open Space -- Delonde Trail to Bluebird Loop" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
     
Coney Creek Road #507 / Coney Creek Trail #914. USFS trail webpage. USFS trail quicksheet. USFS road quicksheet. USFS Beaver Reservoir Trailhead webpage.
See chapter "21. Coney Flats Trail" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
3.4 to 5.9 Varies Moderate
Crater Lakes Trail #819. (Not on USFS map.) USFS webpage. USFS quicksheet. USFS trailhead webpage. USFS winter quicksheet. 1.0 + approach +1,389 Moderate
Devils Thumb Trail #902 / Devils Thumb Bypass Trail #902.1. USFS webpage. USFS quicksheet. USFS trailhead webpage. USFS winter quicksheet.
See chapter "19 - Devils Thumb Lake" in Altitude Publishing's book The Best Hikes of Colorado.
See description "Devils Thumb Trail #902 -- Hessie Trailhead" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Devil's Thumb Pass Trail 902" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
6.5 + approach +2,775 Moderate
Diamond Lake Trail #975. USFS webpage. USFS quicksheet.
See chapter "18 -- Diamond Lake" in Altitude Publishing's book The Best Hikes of Colorado.
See chapter "27. Diamond Lake" in Colorado Mountain Club's book The Best Front Range Hikes.
See chapter "6. Diamond Lake" in Colorado Mountain Club's book Pack Guide: The Best Boulder Hikes.
See description "Diamond Lake Trail 975" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Diamond Lake Trail 975" under "Non-Mechanized Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
S
ee description "Diamond Lake Trail #975" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Diamond Lake Trail 975" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
2.6 + approach +1,300 Moderate
Eldorado Canyon State Park Trail System. (Colorado Parks & Wildlife.) Fowler and Rattle Snake Gulch trails. Call for conditions: 303-494-3943.  CP&W trails webpage. CP&W trails map.
See chapter "28. Eldorado Canyon Trail" in Colorado Mountain Club's book The Best Front Range Hikes.
See chapter "36. Eldorado Canyon Trail" in Falcon Guide Hiking Colorado's Front Range.
See chapter "8. Eldorado Canyon Trail" in Colorado Mountain Club's book Pack Guide: The Best Boulder Hikes.
See chapter "17 Eldorado Falls" in FalconGuides book Hiking Waterfalls in Colorado.
See description "Eldorado Canyon Trail to Walker Ranch Open Space" under "Eldorado Canyon State Park" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Elderado Canyon Trail" under "East Map (Boulder) Trails" on Sky Terrain's map Boulder / Nederland.
See description "Eldorado Canyon Trail" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
See chapter "35. Rattlesnake Gulch" in Falcon Guide Hiking Colorado's Front Range.
See description "Rattlesnake Gulch Trail" under "Eldorado Canyon State Park" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Rattlesnake Gulch Trail" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Rattlesnake Gulch Trail" under "East Map (Boulder) Trails" on Sky Terrain's map Boulder / Nederland. 
See description "Rattlesnake Gulch Trail" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
See description "Fowler Trail" under "East Map (Boulder) Trails" on Sky Terrain's map Boulder / Nederland.
See description "Fowler Trail" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
     
Eldora Mountain Resort Nordic Center Trail System. USFS webpage. Eldora Nordic Center webpages / trails map.
See chapter "36. Lakes Loop Trail" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "37. Twisted Trail" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "38. Lonestar Loop" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
     
Forest Lakes Trail #809. USFS webpage. USFS trailhead webpage. USFS winter quicksheet. ORIC's Forest Lakes Winter Trail #809 map/description sheet (11).
See chapter "40. Forest Lakes" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See description "Forest Lakes Trail via East Portal" under "Gilpin County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Forest Lakes Trail #809" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
ORIC FAVORITE
2.8 + approach +1,645 Moderate
Fourth of July Road. County Road 111. USFS winter quicksheet.
See chapter "34. Fourth of July Trail/Road" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
5.0 +1,460 Easy
Guinn Mountain Trail #820. USFS winter quicksheet. 4.4 counting approach from Eldora Ski Area +1,680 Extremely Strenuous
Heil Valley Ranch Trail System. (Boulder County Parks and Open Space.) BCP&OS park webpage. BCP&OS park brochure. BCP&OS trails map. BCP&OS trails elevation graphs.
See chapter "21. Heil Valley Ranch" in Falcon Guide Hiking Colorado's Front Range.
See chapter "20. Heil Valley Ranch / Lichen Loop" in Falcon Guide Hiking Colorado's Front Range.
See description "Lichen Loop Trail" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
See description "Heil Valley Ranch to Lyons -- Wapiti Trail to Picture Rock Trail" under "Boulder County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
     
Isabelle Glacier Trail #908. USFS webpage. USFS quicksheet.
See description "Isabelle Glacier Trail 908" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
4.2 + approach +1,500 Moderate to Strenuous
Jean Lunning Trail #907.1 via Niwot Cutoff Trail. USFS webpage. USFS quicksheet. 1.9 +350 Easy
Jenny Creek Trail #808 / #808.1. USFS webpage. USFS quicksheet.
See chapter "33. Jenny Creek Trail" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See description "Rollins Pass (Corona Pass) via Jenny Creek Trail FS 502" under "Boulder County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Rollins Pass (Corona Pass) via Jenny Creek Trail FS 502" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Jenny Creek Trail #808 & Forest Road #502" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
1.6 to 5.3 Varies Moderate to Strenuous
King Lake Trail #901. Side trip to Betty and Bob Lakes via Trail #810.  USFS webpage. USFS quicksheet. USFS trailhead webpage. USFS winter quicksheet.
See chapter "9. Eldora to King Lake Trailhead" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See description "King Lake Trail 901" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "King Lake Trail 901" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Kings Lake Trail #901 to Betty & Bob Lakes Trail #810" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "King Lake Trail 901" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
5.7 + approach +2,650 Moderate
Lost Lake Trail #813. USFS webpage. USFS quicksheet. USFS trailhead webpage. USFS winter quicksheet.
See chapter "11 Lost Lake" in Falcon Guides book Winter Trails Colorado.
See chapter "35. Lost Lake Trail" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See description "Lost Lake Trail #913" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Lost Lake Trail 813" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
0.3 + approach +200 Moderate
Mammoth Gulch Road #176 / County Road 4N Trail System.
See chapter "41. Mammoth Gulch Road" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
     
Middle St. Vrain Road #114. USFS winter quicksheetUSFS Peaceful Valley Campground webpage.
     
Mitchell Lake Trail #912. USFS webpage. USFS winter quicksheet. USFS quicksheet.
See chapter "26. Mitchell and Blue Lakes" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "26. Blue Lake" in Colorado Mountain Club's book The Best Front Range Hikes.
See chapter "18. Blue Lake" in Falcon Guide Hiking Colorado's Front Range.
See chapter "4. Blue Lake" in Colorado Mountain Club's book Pack Guide: The Best Boulder Hikes.
See description "Blue Lake via Mitchell Lake Trail 912" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Blue Lake via Mitchell Lake Trail" under "Non-Mechanized Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Mitchell Lake & Blue Lake Trail #912" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Blue Lake via Mitchell Lake Trail 912" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
2.5 + approach +800 Moderate
Mount Audubon Trail #913. USFS webpage. USFS quicksheet.
See chapter "27. Mount Audubon" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "17 -- Mount Audubon" in Altitude Publishing's book The Best Hikes of Colorado.
See chapter "33. Mount Audubon" in Colorado Mountain Club's book The Best Front Range Hikes.
See chapter "17. Mount Audubon" in Falcon Guide Hiking Colorado's Front Range.
See chapter "14. Mount Audubon" in Colorado Mountain Club's book Pack Guide: The Best Boulder Hikes.
See description "Mount Audubon Trail 913" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Mount Audubon Trail 913" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Mt Audubon #913" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Mount Audubon Trail 913" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map. 
3.8 + approach +2,723 Moderate to Strenuous
Mud Lake Open Space Trail System. (Boulder County Parks and Open Space.) BCP&OS park webpage. BCP&OS park brochure. BCP&OS trails map.
See chapter "31. Mud Lake Open Space" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See description "Mud Lake Trails" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
     
Myers Homestead Trail at Walker Ranch. (Boulder County Parks and Open Space.) BCP&OS park webpage. BCP&OS park brochure. BCP&OS trails map. BCP&OS trails elevation graphs.
See chapter "30. Myers Homestead Trail" in Falcon Guide Hiking Colorado's Front Range.
See description "Meyers Homestead Trail" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Myers Homestead Trail" under "East Map (Boulder) Trails" on Sky Terrain's map Boulder / Nederland.
See description "Meyers Homestead Trail" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
2.5   Moderate
Niwot Mountain and North Niwot Ridge. Bushwack, no trail.
See chapter "24. Niwot Mountain and North Niwot Ridge" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
3.0 +1,557 Strenuous
Niwot Ridge Trail #906. USFS Jean Lunning Trail webpage.
See description "Niwot Ridge Trail 906" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Niwot Ridge Trail 906" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
S
ee description "Niwot Ridge Trail #906" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Niwot Ridge Trail #906)" under "West Map (Nederland) Trails" on Sky Terrain's map Boulder / Nederland.
See description "Niwot Ridge Trail 906" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
2.2 +942 Moderate
Pawnee Pass Trail #907. USFS webpage. USFS winter quicksheet. USFS quicksheet. ORIC Trail Map/Description Sheet (23).
See chapter "28. Long Lake and Lake Isabelle" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "35. Pawnee Pass" in Colorado Mountain Club's book The Best Front Range Hikes.
See chapter "17. Pawnee Pass" in Colorado Mountain Club's book Pack Guide: The Best Boulder Hikes.
See description "Pawnee Pass Trail 907 to Pawnee Lake via Brainard Lake" under "Indian Peaks Wilderness" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Pawnee Pass Trail 907 to Pawnee Lake via Brainard Lake" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Pawnee Pass Trail #907 & TR #1" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Pawnee Pass Trail 907 to Pawnee Lake via Brainard Lake" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
4.6 +2,041 Moderate to Strenuous
Rabbit Mountain Trail System. (Boulder County Parks and Open Space.) BCP&OS park webpage. BCP&OS park brochure. BCP&OS trails map. BCP&OS trails elevation graphs.
See chapter "15. Rabbit Mountain" in Falcon Guide Hiking Colorado's Front Range.
See description "Eagle Wind Trail Loop: Rabbit Mountain Open Space" under "Boulder County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Eagle Wind Trail Loop: Rabbit Mountain Open Space" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
     
Rainbow Lakes Road #298 / Trail #918. (Road also known as County Road #116. USFS road quicksheet. USFS trail webpage. USFS trail quicksheet. USFS Sourdough Trailhead webpage.
See chapter "29. Rainbow Lakes" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
S
ee description "Rainbow Lakes Trail 910" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
4 to 5   Easy
Rock Creek Road/Trail System (US Forest Service). USFS winter quicksheet. USFS Saint Vrain Mountain Trail #915 webpage.
See chapter "31. Meadow Mountain and St. Vrain Mountain" in Colorado Mountain Club's book The Best Front Range Hikes.
See chapter "11. Meadow Mountain and St. Vrain Mountain" in Colorado Mountain Club's book Pack Guide: The Best Boulder Hikes.
See description "St Vrain Mtn Trail #915" under "North Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
     
Sourdough Trail System (US Forest Service). Sourdough Trail #835, Wapiti Trail #816, Baptiste Trail #815. USFS winter quicksheet. USFS Sourdough Trail webpage. USFS Sourdough Trail quicksheet. USFS Wapiti Winter Trail webpage. USFS Sourdough Trailhead webpage. USFS Red Rock Trailhead webpage. USFS Beaver Reservoir Trailhead webpage.
See chapter "14. North Sourdough Trail" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "16. South Sourdough Trail" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See chapter "22. North Sourdough Trail" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "23. South Sourdough Trail" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See description "Sourdough Trail 835 from CR 116 to Brainard Lake Road 102" under "Boulder County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "Sourdough Trail 835 from CR 116 to Brainard Lake Road 102" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map.
See description "Sourdough Trail #835" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Sourdough Trail #835" under "West Map (Nederland) Trails" on Sky Terrain's map Boulder / Nederland.
See description "Sourdough Trail 835 from CR 116 to Brainard Lake Drive" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
     
South Boulder Creek Trail #900. USFS webpage. USFS trailhead webpage. USFS winter quicksheet. ORIC's Rogers Lakes and Heart Lake Winter Trail map/description sheet (22).
See chapter "39. Rogers Pass Lake and Heart Lake" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See chapter "30. Heart Lake" in Colorado Mountain Club's book The Best Front Range Hikes.
See chapter "19. Heart Lake" in Falcon Guide Hiking Colorado's Front Range.
See chapter "10. Heart Lake" in Colorado Mountain Club's book Pack Guide: The Best Boulder Hikes.
See description "South Boulder Creek Trail 900 to Rogers Pass via East Portal" under "Gilpin County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "South Boulder Creek Trail #900" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness. 
ORIC FAVORITE
4.2 +2,660  
South Saint Vrain Trail #909. USFS webpage. USFS quicksheet. USFS Red Rock Trailhead webpage.
See chapter "15. South Saint Vrain Trail" in Colorado Mountain Club's book Colorado's Quiet Winter Trails.
See description "South Saint Vrain Trail #909" under "West Map (Nederland) Trails" on Sky Terrain's map Boulder / Nederland.
5.9 +1,700 Easy to Moderate
Spring Gulch Road and Trail, County Road #102J.
See description "Spring Gulch Road & Trail CR #102J" under "West Map (Nederland) Trails" on Sky Terrain's map Boulder / Nederland.
4.0 -1,780 Easy to Moderate
Switzerland Trail System, County Roads #93, #120.
See description "Switzerland Trail CR #93 & 120" under "West Map (Nederland) Trails" on Sky Terrain's map Boulder / Nederland.
     
Wapiti Trail #816. USFS winter quicksheet. USFS winter webpage. 1.0 + approach    
West Magnolia Trail System (US Forest Service). USFS trailhead webpage.
See chapter "32. West Magnolia Trails" in Colorado Mountain Club's book Snowshoe Routes -- Colorado's Front Range.
See description "West Magnolia Area Trails" under "Boulder County" on Latitude 40 Degrees' Front Range Colorado Trails Recreation Topo Map.
See description "West Magnolia Area Trails" under "Multi-Use Trails" on Latitude 40 Degrees' Boulder County Colorado Trails Recreation Topo Map. 
See description "Magnolia Area (E & W))" under "West Map (Nederland) Trails" on Sky Terrain's map Boulder / Nederland.
See description "West Magnolia Trails (Nederland Area)" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
     
Woodland Lake Trail #811. USFS webpage. USFS quicksheet. USFS trailhead webpage. USFS winter quicksheet.
See description "Woodland Lake Trail #811" under "South Map Trails" on Sky Terrain's map Southern Rocky Mountain National Park / Indian Peaks Wilderness.
See description "Woodland Lake Trail 811" on Latitude 40 Degrees' Boulder / Nederland Colorado Trails Recreation Topo Map.
2.3 + approach +2,221 Moderate

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