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  • Monday, April 17th - Yoga for Outdoor Enthusiasts
    6:30 PM – 8:30 PM, REI, Denver. Practicing yoga is an excellent way to develop strength, balance, and flexibility. Join REI's professional yoga instructor for an in-store class tailored to help enhance your pursuit of season specific outdoor activities. Whether you are cross country skiing and snowshoeing through the winter, or paddling and climbing through the summer, the benefits of yoga will improve your overall experience. We have designed this class to target key body areas that are commonly tight or easily injured. This is an all level class with the intent to make you feel at ease with beginning yoga to be able to create an at home practice. Participants under the age of 18 must be accompanied by a parent or responsible adult. More info here
  • Monday, April 17th - first aid skills practice for trip leaders and leaders in training
    6:30 PM – 8:30 PM, Boulder CMC clubroom. This will be an opportunity to practice your skills that you learned in your WFA/WFR course, emphasis on splinting and bandaging in back country situations. If we finish up early, we'll do some mock first aid scenarios. We'll be indoors but bring your packs and gear as if you were leading a trip. You may want knee pads for kneeling on the floor for the practice. We'll try out some improvised splinting using gear we have with us. Ski poles and foam sleeping pads work well. There is no certification for this, only a chance to practice your basic first aid skills. The leader is a first aid instructer for the national ski patrol. More info here
  • Monday, April 17th - Basic Climbing Session C
    6:00 PM – 9:00 PM, American Mountaineering Center. This is a short introduction to climbing. We provide all equipment but you are free to bring your own. We recommend a pair of gloves. You can buy gloves made especially for belaying if you like, but a cheap pair of gloves from a hardware store are fine. This class covers more than simple belay technique. In later classes we assume all students are familiar with all elements of prerequisite classes. More info here
  • Monday, April 17th - Boulder New and Prospective Member Orientation
    7:00 PM – 8:00 PM, CMC-Boulder Clubroom. A quick presentation about how the CMC Boulder group can get you the most enjoyment from the outdoors. During and after the short talk there will plenty of time to ask questions. The CMC offers a huge variety of classes and trips for many types of outdoor activities. Come to ask questions, get excited, and plan adventure! Regular club activities include: hiking, camping, peak bagging, rock climbing, snowshoeing, cross-country skiing, fly fishing, stewardship, and more. More info here
  • Tuesday, April 18th -Lake Helene Hike
    6:30 AM, Parking lot immediately east of American Alpine Club. We will start hiking at Bear Lake, and follow the Flattop Mountain Trail and the Fern-Odessa Trail to Lake Helene. Some of this we will probably be able to hike on bare ground, or well-packed trail, but eventually we will almost certainly need snowshoes. From Lake Helene, we may, weather permitting, travel an additonal one half mile off-trail up to a small tarn in the large glacial cirque of the Ptarmigan Glacier. We will have excellent views of Notchtop Mtn., and Grace Falls, and be able to look down the valley to Odessa Lake. In mid-summer there is a healty pika population at this tarn. More info here
  • Tuesday, April 18th -Republican Mtn12,393'/Sherman Mtn12,287'/Silver Plume Mtn12,477' D/Off Trail
    6:30 AM, Meet Wooly Mammoth park and ride section AA, across from the Conco gas station. This is part of the Get Fit For Summer Series, the goal is to maximize elevation and distance. A circle trip from the town of Silver Plume. Has good views of high peaks, including Grays and Torreys. Bring ice axe, MICRO SPIKES or similar traction devices, you will need them. Needless to say, snowshoes and warm gear. Strong C hikers welcome. Everyone will be expected to break trail. Breaks will be taken as a group. In an effort to be respectful to other participants if you are unsure if this is an appropriate hike for you, please discuss with the leader prior to signing up. More info here
  • Tuesday, April 18th - NEW MEMBER HIKE 14ERS SERIES Mount Galbraith Park
    8:45 AM, Meet at the CoorsTek parking lot across the street from the American Alpine Center/Colorado Mountain Club. I am labeling this hike as part of the 14er series in order to allow participants to participate on hikes that involve progressively longer distances, increasing elevation gain and greater time commitments. These series of hikes will culminate in an ascent of a nearby Colorado fourteener within the next 4 - 6 weeks. More info here
  • Tuesday, April 18th - Adult and Pediatric (Child) CPR / AED Class
    4:30 PM – 8:30 PM, REI, Denver. The American Red Cross Adult and Pediatric CPR/AED course will teach you how to respond to breathing and cardiac emergencies to help victims of any age - adults (12 years and older) and pediatric (infants and children up to 12 years of age). Students who successfully complete this course will receive a certificate for Adult and Pediatric CPR/AED valid for two years. More info here
  • Tuesday, April 18th - Learn to Climb Class
    6:00 PM – 8:30 PM, REI, Denver. Learn the basics of the dynamic sport of rock climbing in a relaxed, friendly atmosphere. In this class you'll get an overview of basic rock climbing gear and learn how to put on a climbing harness. You'll then get individualized instruction in belaying and climbing on an indoor climbing wall. We'll also discuss the differences between indoor and outdoor climbing. Class size is kept to a minimum to allow for individualized instruction. All climbing gear provided. More info here
  • Tuesday, April 18th - Bike Maintenance Basics - Level 2: Brakes and Drive Train
    6:30 PM – 8:30 PM, REI, Denver. If you've already taken a Bike Maintenance Basics class, this is your next step! Get prepared for the road or trail ahead by digging a little deeper into the components of your ride and learn what minor adjustments you can make. In this informative session you will learn to set proper cable tension, change your brake pads, replace a worn chain, and keep your bike shifting & braking smoothly. Note that this is a demonstration class; please do not bring your bike. More info here
  • Wednesday, April 19th - Fly Fishing - Cheesman Canyon
    7:15 AM, Meet at Morrison Park-N-Ride by the Conoco Station off of Bear Creek Parkway and C-470 in Morrison. Our target is the Gold Medal waters of Cheesman Canyon on Wednesday 4/19. Flows are currently at a mellow 153 cfs (4/16). We should be fishing by 9:30 am and headed back to the trailhead by 3 pm. Many large browns and rainbows inhabit this scenic, boulder- filled canyon, an uphill hike along the Gill Trail near the town of Deckers. More info here
  • Wednesday, April 19th - Fitness Hike
    9:15 AM - 12:00 PM, Meet at the Visitor Center, Mueller. Get ready for a workout with Volunteer Naturalist Chris. Hike a 5.5 mile loop down to Rock Pond at a moderate to advanced pace. More info here
  • Wednesday, April 19th - Women's Backpacking Basics
    6:30 PM – 8:00 PM, REI, Denver. Want to take your day hikes overnight? Connect with other female hikers and REI to get an overview of backpacking planning, preparation and gear in this women's-only class. Learn how to choose a pack and select proper clothing and footwear. Plus, we'll give you important notes on trail etiquette and Leave No Trace principles. More info here
  • Wednesday, April 19th - Awesome Wednesday Evening (AWE) Social Hike
    5:50 PM, Meet at the Boulder Clubroom between the Elevations Credit Union and the Great Clips, Table Mesa and Broadway 10 minutes BEFORE 6 pm. AWE hikes are back for the season! It's a fun, moderate paced after-work social hike. No need to call or register, just show 10 minutes before 6:00 p.m. at the Boulder Group Clubroom. Be prepared for any weather with good footwear, water, rain (or snow!) jacket, headlamp/flashlight, and a snack to share if you like as we will stop for a few minutes. Optional after hike food and/or drink near the clubroom. Please join us! More info here
  • Wednesday, April 19th - Wall Climb
    6:00 PM, CMC Clubhouse. AWE hikes are back for the season! Join us for a fun evening of top roping at the CMC Clubhouse in Golden from 6:00 - 8:00 PM. BRCS, RSS, BMS or equivalent experience required. In other words you must be able to tie into your harness correctly and safely belay. Helmets, harnesses, locking carabiner, and belay device required. No chalk. PLEASE SIGN UP ON CMC WEBSITE IN ADVANCE! Please join us! More info here
  • Thursday, April 20th - Fly Fishing Educational Open Forum and Presentation - Scott Graham - Fishing North Park
    5:30, Wrigleys Chicago Bar and Grill. The Fly-Fishing Section will be offering a presentation by local guide and fishing expert, Scott Graham, Manager of North Park Anglers, located in Walden, CO. He will share with us his favorite places to fish in the North Park area and discuss effective fishing techniques. The presentation will be held on Thursday, April 20, 2017 at 7 PM. The Fly Fishing Section holds its monthly meetings at Wrigleys Chicago Bar and Grill, located at 18200 West Colfax Avenue, Golden, CO. Please join us for happy hour starting at 5:30 PM. Food and drink will be available for purchase. Starting at 6:30 PM, the section will conduct an educational open forum discussion (EOFD) on various topics, for those who want to share fly fishing experiences and learn more about the sport. If you have questions or need help with a specific topic the EOFD is the place for you. This monthly gathering of the Fly Fishing Section is open to Members and non-members, so bring your bring your friends and fishing buddies. More info here
  • Thursday, April 20th - Basic Mountaineering Course
    6:00 BMC is designed to provide you with the knowledge and skills to engage in basic mountaineering in Colorado and the world. CMC membership and current CPR/First Aid certification are required prior to first classroom on April 20. Five classroom lectures (4/20, 4/27, 5/4, 5/11, 5/18) are followed by work on five field trips (4/22, 4/29, 5/6, 5/13, 5/20 or 5/21). Two summer high peak climbs will be scheduled by the senior instructor in coordination with their students. For more information and application, contact leader or co-leader. Apr 20: BMC Lecture. Introduction to BMC, Knots, Rope Handling, Climbing Harness and the Belay. More info here
  • Thursday, April 20th - Advanced GPS Class: Using Computers and Maps - Level 2
    6:30 - 8:30 PM, REI, Denver. Working with various software tools, you will learn how to load maps and waypoints, create a trip route and download it to a GPS. This class is a must for all GPS users wanting to integrate interactive mapping software to improve their trip planning. GPS receivers will be available for participants' use. This is an in-store class. More info here
  • Thursday, April 20th - Women's Hands-On Bike Maintenance: Trail and Roadside Repair
    6:30 - 8:30 PM, REI, Denver. Join a small group of women to learn what to do on your ride when the unexpected happens. From flat tires to broken spokes and noisy chains to broken cables - our instructors will recommend tools for your trail/road tool kit and share tips and tricks to help you triage the situation in the field to keep you riding. BYOB (Bring Your Own Bike): Bikes must be clean and in good working order to be used during the class. If your bike does not meet standards you may still attend the class; however, you may be asked not to work on your bike. Replacement parts are not included in class fee. Closed toes shoes required. More info here
  • Friday, April 21st - 3 Day Outside Garage Sale: The Denver Flagship
    Friday, April 21, 2017, 8:00 AM – Sunday, April 23, 2017, 7:00 PM, REI, Denver. Join us for our biggest 3 Day Garage Sale ever! Better deals. Way more gear. All weekend long. REI Co-Op members are invited to come in for amazing deals on "as is" merchandise that has been used and returned. Items are priced to sell. Come in early for the best selection. We reserve the right to limit quantities. There will be no raffle drawing for entrance as this is an outdoor event. Entrance to the sale will be behind the north side of the store from Platte Street only (between the REI store and My Brothers Bar). You must be part of the REI Co-Op to purchase items from the Garage Sale. If you are not an REI member, please check with our staff for details. Sale hours are Friday and Saturday, 9am to 9pm; Sunday from 9am to 7pm. More info here
  • Saturday, April 22nd - The North Face Apex Flex GTX Rain Jacket - Product Demo
    9:00 AM – 4:00 PM, REI, DenverConsidering stepping up to GORE-TEX Products for your ultimate hiking adventures this spring? Try before you buy and come experience the new The North Face Apex Flex GTX Rain Jacket from GORE-TEX products. So comfortable, you'll want to wear a rain jacket even when it's not raining! Test the jacket in our simulated wet environments. Get your questions answered by the brand experts, and learn about the science behind the technology. Join us for swag and a chance to win great prizes! More info here
  • Saturday, April 22nd - Eldorado Canyon Earth Day Celebration
    4:00 PM - 5:30 PM, Eldorado Canyon State Park. WHAT: Campfire with a Ranger - Join Ranger Andrea for s'mores, crafts, and a talk about our beautiful planet. WHEN: Earth Day, Saturday April 22, at 4 pm, WHERE: The back patio of the Visitor Center at Eldorado Canyon State Park. COST: Program is free, but a valid Colorado State Parks pass is required to enter the Park. RSVP is not required. More info here
  • Saturday, April 22nd - Sunrise Park Opening
    5:30 AM - 7:00 PM, Roxborough. Enjoy early opens to get in a refreshing hike or take some early morning photos. More info here
  • Saturday, April 22nd - Crater Hike
    8:00 AM - 4:00 PM, Arkansas Headwaters. AHRA Volunteer Naturalist Bob Hickey will lead a fascinating hike on April 22 to explore an extinct volcano northeast of Salida. The hike will begin at 8:00 a.m. and end around 4:00 p.m. Hikers will enjoy lovely views of the surrounding area and as the hike enters the forest, the trail drops into upper Cottonwood Gulch and the volcanic rock zone of the Salida Volcano Field. There is a beautiful pond as the hike begins to climb up beside Rick Mountain (a large volcanic deposit). The trail then follows the west slopes of Big Baldy Mountain (the main volcano in this area) to a saddle connecting Big Baldy with The Crater where hikers can stand on the rim and look into a small but real volcanic cone. More info here
  • Saturday, April 22nd - Intro to Fishing
    8:00 AM - 11:30 AM, St Vrain State Park. The fundamentals of how to fish; fishing ethics and fishing regulations will be taught at the beginning of the clinic. During the second half of the clinic, participants will get to try out their new fishing skills at Sandpiper pond. More info here
  • Saturday, April 22nd - Celebrate Earth Day and Barr Lake's 40th Anniversary
    9:00 AM - 3:00 PM, Barr Lake. Come celebrate Earth Day AND the 40th Anniversary of Barr Lake State Park with many fun activities. More info here
  • Saturday, April 22nd - Archery
    9:00 AM - 11:00 AM, Cheyenne Mountain State Park Archery Range. ​Here is your chance to get involved! One on one instruction will help participants learn how to shoot or enhance their technique. All equipment is provided. This class is open to participants 8 years old and up. Reservations are required and the class is limited to 12 students. You may purchase a park pass at the Archery Range with cash or with a different form of payment at the Visitor Center or Entrance Station. More info here
  • Saturday, April 22nd - Saturday Guided Bird Walk
    9:00 AM - 12:00 PM, Barr Lake. Grab your binoculars and field guide, or check out a loaner set of ours, and enjoy an exciting morning of birding at Barr Lake. Park Naturalists introduce birders of all ability levels to Barr Lake's feathered residents and migrants. More info here
  • Saturday, April 22nd - Earth Day Spring Clean-up
    10:00 AM - 12:00 PM, Meet at the Visitor Center. Jon Sudar Memorial Spring Clean: Help us clean up the paths and shorelines around Martin and Horseshoe Lakes, in honor of Naturalist Jon Sudar. More info here
  • Saturday, April 22nd - Earth Day 2017 - "Environmental and Climate Literacy"
    10:00 AM - 1:00 PM, Riverside Park, Salida. Beginning the day's festivities will be a "Parade of the Species". Meet at Apline Park at 8:30 am dressed as your favorite species or endangered species, and the parade will start at 9:00 am down F street into Riverside Park. From 10am - 1pm, there will be tons of fun and activities at Riverside Park. More info here
  • Saturday, April 22nd - Roxy Puppet Theater
    10:30 AM - 11:00 AM, Roxborough. Join the Puppet Players for fun, wild, and wacky tales of Roxborough wildlife. Ages: eight and younger, accompanied by an adult. Reservations are required. Call (303) 973-3959 to sign up 24 hours prior to the event. More info here
  • Saturday, April 22nd - Archery Practice
    11:00 AM - 12:00 PM, Cheyenne Mountain State Park Archery Range. For those who have completed our beginning archery class, we are offering a practice session to hone your skills. More info here
  • Sunday, April 23rd - Rox Talk - Geology
    9:00 AM - 12:00 PM, Roxborough. Join Naturalist Mary Taylor for informal conversation about what the rocks tell us about their origins and the environments in which they were formed. Rox Talk - And when they do, they tell amazing tales of events that have transpired on this little patch of earth! Meet at the visitor center. More info here
  • Sunday, April 23rd - Basic Archery Instruction
    11:00 AM - 1:00 PM, Barr Lake. Join the Barr Lake rangers for this Introduction to Archery event. Loaner equipment will be on hand for use during class. More info here
  • Sunday, April 23rd - Lost and Geer Pond Hike
    1:00 PM - 3:00 PM, Meet at Homestead Trailhead. Join Volunteer Naturalist Rose on a leisurely hike past Lost and Geer Ponds. 3 miles total. More info here
  • Sunday, April 23rd - Lost and Geer Pond Hike
    1:00 PM - 3:00 PM, Meet at Homestead Trailhead. Join Volunteer Naturalist Rose on a leisurely hike past Lost and Geer Ponds. 3 miles total. More info here
  • More Events & Classes: See our "Events & Training" page.
  • ORIC NEEDS VOLUNTEERS. See our "Volunteering" page.


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ORIC desk at REI in downtown Denver


How to Use This Site

  • To plan your outdoor activities go to our "What Do You Want To Do?" section. You will find trail and trip descriptions and maps, organized by activity type, to help you figure out what to do and where to go. Some of it is on this site and the rest is on other sites for which we provide links. If you know what part of the state you are interested in, start with our "Where Do You Want To Go" section and click on a yellow marker in one of our 26 regions. That page and the yellow markers contain links to our "region profile" pages which provide an overview of public lands in a region and list books, maps, and websites for that region.
  • To find places to sleep in the boonies, go to the "Where You Can Stay" section. There is guidance there on cabins, yurts, campgrounds, etc. (We do not provide info on places to stay in towns. But you can get that from the tourism websites that we list on our "Helpful Information Sources" page and on each region's profile page.)
  • To check the status of such things as snow depths, river flows, avalanche danger, etc., go to the "Current Conditions" section.
  • To pitch in with ORIC or other outdoor organizations, check out our "Volunteering" section.

The rest of the sections in the menu in the left column ought to be self-explanatory.


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About Us

ORIC wants to be your most important resource for help planning your next outdoor adventure. We provide thorough information for Colorado as well as some information for surrounding states. And we do it two ways: through this website and in person at an information desk in the map department of the REI store in downtown Denver.

We are a not-for-profit partnership of eight federal, state and private organizations. Our staff is one full-time manager, supplied by the US Forest Service, and a crew of volunteers. For more information, see our printable brochure.

Visit us at REI: 1416 Platte St. Store location map.

Our Partners

US Forest Service
US Forest Service
National Park Service
National Park Service
Colorado Mountain Club
Colorado Mountain Club
Colorado Parks and Wildlife
Colorado Parks & Wildlife
Bureau of Land Management
Bureau of Land Management
US Geological Survey
US Geological Survey
US Fish & Wildlife Service
US Fish & Wildlife Service


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