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Colorado · Rock Climbing
Nathrop sits at the edge of the Arkansas River Valley, and the rock climbing here punches well above what most people expect from a small mountain town.
28 spotsUpdated weeklyFree to access
View on mapRock Climbing · 28 spots
Nathrop sits at the edge of the Arkansas River Valley, and the rock climbing here punches well above what most people expect from a small mountain town. The area's two main draws are Brown's Canyon National Monument and Chalk Creek Canyon, which together account for most of the 28 active listings in the area and cover a solid range of styles. Chalk Creek Canyon is the bouldering hub, with problems like Constant Sorrow, Little Monkey Traverse, Cascade Arete, and the Chalk Creek Boulder (also known as the Boulder of Sorrow) spread along the drainage. The Cat Scratch Wall adds sport and trad options, with routes like Cat Scratch Fever and Toxic Cat Hole rounding out the rope-up objectives. Brown's Canyon National Monument brings a different character entirely — longer routes on granite in a designated monument corridor above the Arkansas River. The climbing here skews toward moderate to intermediate, though problems like Crystal Meth Arete and the Little Monkey Traverse will keep strong boulderers busy. If you're coming from Denver or Colorado Springs, Nathrop is roughly a two-hour drive and makes a solid day trip or a weekend base if you want to work through multiple areas.
Late spring through early fall is the primary season, with May, June, September, and October generally offering the most reliable conditions. Chalk Creek Canyon can hold moisture after snowmelt or heavy rain, so granite in Brown's Canyon National Monument tends to dry faster and is often a better early-season bet. Midsummer afternoons can get hot in the canyon bottoms, so starting early matters.
Both are well represented. Chalk Creek Canyon and the Chalk Creek Boulder area lean heavily toward bouldering, with problems ranging from approachable to stout across spots like Cabin Boulder, Pootytang, and Switching Corners. For roped climbing, Cat Scratch Wall and Brown's Canyon National Monument offer sport and trad routes, including lines like Santa Claws, Send In the Clowns, and Tickle Me, St. Elmo.
Crystal Meth Arete
~1 min drive
A worthwhile stop near Colorado.
Cascade Boulders
~1 min drive
Colorado bouldering area with natural formations for all levels.
Send In the Clowns
~2 min drive
A worthwhile stop near Colorado.
Cascadia
~1 min drive
A worthwhile stop near Colorado.
Chalk Creek Boulder aka Boulder of Sorrow
~1 min drive
Colorado creek-side boulder field with varied problems and scenic setting.
London Gray
~6 min drive
A worthwhile stop near Colorado.
Switching Corners
~1 min drive
A worthwhile stop near Colorado.
Cat Scratch Wall
~2 min drive
Accessible Colorado crag with varied climbing for multiple skill levels.
Unknown 5.9R
~15 min drive
A worthwhile stop near Colorado.
Miss Agnes
~1 min drive
A worthwhile stop near Colorado.
Chalk Creek Canyon
~6 min drive
Colorado canyon climbing with varied routes and scenic rock formations.
Holy Twinity
~15 min drive
A worthwhile stop near Colorado.
Bouldering
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Bouldering
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Rock climbing
Nathrop, Colorado
Brown's Canyon National Monument is managed jointly by the BLM and the USFS, and as of current information no day-use climbing permit is required. That said, regulations in national monuments can change, so check with the BLM Royal Gorge Field Office before your trip to confirm current access rules and any seasonal closures.
For the bouldering in Chalk Creek Canyon, a crash pad, brush, and climbing shoes cover most situations. For roped routes at Cat Scratch Wall and Brown's Canyon, a standard sport rack with quickdraws handles the bolted lines, but some routes like Lie Back on Crack suggest trad gear is useful to have. Bring more water than you think you need — the canyon approaches can be warmer than the trailhead suggests.
Most Chalk Creek Canyon bouldering is accessed via County Road 162 heading toward St. Elmo, and approaches are generally short with minimal elevation gain. Brown's Canyon National Monument has a few established access points off US-285, and trails range from flat riverside walking to rougher terrain depending on which sector you're targeting. A standard passenger vehicle handles the main access roads, though a higher-clearance vehicle gives you more options on the rougher spurs.
