Colorado · Rock climbing · Sunnyside

Boulder Canyon

Boulder Canyon in Colorado has 108 climbing routes across bouldering pads, mixed, sport, and trad styles.

108 routes
5.4 – 5.13
Sport · Trad · Mixed

Is Boulder Canyon open right now?

Alert in the area

The Forest Service lists 3 alerts for Arapaho and Roosevelt National Forests.

As of · Source: USFS · Arapaho and Roosevelt National Forests. Agencies don't list every closure — check before you go.

Best time to visit Boulder Canyon

Best months: April–June and September–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

  1. Jan

    47° / 21°

    6 wet

  2. Feb

    48° / 22°

    7 wet

  3. Mar

    57° / 29°

    8 wet

  4. Apr

    63° / 34°

    10 wet

  5. May

    71° / 43°

    12 wet

  6. Jun

    83° / 51°

    10 wet

  7. Jul

    88° / 57°

    11 wet

  8. Aug

    86° / 55°

    10 wet

  9. Sep

    79° / 48°

    8 wet

  10. Oct

    66° / 37°

    7 wet

  11. Nov

    54° / 28°

    6 wet

  12. Dec

    46° / 21°

    6 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Boulder, CO, 6 mi away at 5,484 ft. The station sits about 900 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Boulder Canyon is a climbing area in the Boulder Ranger District of the Arapaho and Roosevelt National Forests in Colorado. It sits within the Boulder Ranger District, about 6 miles from the town of Boulder. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station in Boulder show May highs around 71°F and September highs around 79°F, with July peaking near 88°F. That station sits about 900 feet lower than the canyon, so temperatures here run cooler. Eagle Rock and Bitty Buttress are both climbing areas within half a mile. For mountain biking, Arkansas and Meyer's Homestead Trail are about 1.7 to 1.8 miles away.

Routes (108)

Above Tower of Babel(1)

Nobody's Fool5.10d

Across From Cenotaph aka Sea of Tranquility(3)

Unknown Groove5.10Right Side5.8+Black Groove5.9

Across From Mind Shaft Cliff Crag(1)

I Looked at That!5.11c/d

Between Crackland and Wizard Rock(1)

Old Dragon Ballz5.10b

Claim Jumper(1)

Headspace5.9

Poison Ivy Dome(1)

Poison Ivy5.5

Red Lyin' Slab(1)

Red Lyin' Slab5.8

South Face(1)

Bata-Tic5.9

Keep exploring — more climbs worth the drive

Eagle Rock

~1 min drive

Eagle Rock in Colorado has 24 climbing routes with 18 difficulty grades, offering bouldering, sport, and trad.

Small Package Block

~1 min drive

Small Package Block in Colorado has 6 climbing routes ranging across 6 difficulty grades, offering sport and trad options.

Little Blob

~1 min drive

Little Blob in Colorado has 5 climbing routes across 4 grades, offering sport and trad options.

West Buttress aka Comedy Wall

~1 min drive

West Buttress aka Comedy Wall in Colorado has 11 routes across 9 grades, offering mixed, sport, and trad climbing.

Cob Rock

~1 min drive

Cob Rock in Colorado has 37 climbing routes across 24 difficulty grades, featuring bouldering pads, mixed, sport, and trad styles.

Turtle Rock: A Crag for Kids

~1 min drive

Turtle Rock: A Crag for Kids in Colorado has 11 routes across 5 grades, offering mixed and traditional climbing.

Upper Security Risk

~1 min drive

Upper Security Risk in Colorado has 14 routes with sport and trad options.

Canyon Block

~1 min drive

Canyon Block in Colorado offers 10 climbing routes across 8 difficulty grades in mixed, sport, and trad styles.

Long Walk Rock

~1 min drive

7 climbing routes at Long Walk Rock in Colorado, grades range from 5.8 to 5.12a.

The Brick Wall

~1 min drive

Brick Wall, The in Colorado has 7 climbing routes with bouldering pads, mixed, and sport styles.