Colorado · Rock climbing · Bellvue

The Bog

The Bog in Colorado has 5 climbing routes on 4 difficulty grades.

5 routes
V5 – V11
Bouldering

Is Bog, The open right now?

Alert in the area

The Forest Service lists 4 alerts for Canyon Lakes Ranger District.

As of · Source: USFS · Canyon Lakes Ranger District. Agencies don't list every closure — check before you go.

Best time to visit The Bog

Best months: May–September. 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

    36° / 15°

    5 wet

  2. Feb

    36° / 15°

    5 wet

  3. Mar

    44° / 20°

    6 wet

  4. Apr

    49° / 25°

    8 wet

  5. May

    59° / 32°

    9 wet

  6. Jun

    72° / 40°

    8 wet

  7. Jul

    78° / 47°

    9 wet

  8. Aug

    76° / 46°

    10 wet

  9. Sep

    69° / 38°

    8 wet

  10. Oct

    56° / 29°

    6 wet

  11. Nov

    44° / 21°

    5 wet

  12. Dec

    36° / 15°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Rustic 9wsw, CO, 1.8 mi away at 7,700 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Bog is a bouldering area in the Canyon Lakes Ranger District of the Arapaho and Roosevelt National Forests in Colorado, managed by the Forest Service. It sits among a cluster of climbing areas, with Prione about 0.3 miles away and Critical Mass Area about 0.5 miles away. The closest campground is Big Bend Campground, roughly 0.9 miles off. The climbing here is all bouldering, with five routes spread across the V5 to V11 range. Serpentine is V5-6, Watch your six is V5, Iron Helix and Simple are both V6, and Castaway is the hardest at V11. The area is best suited to climbers who enjoy bouldering on a single crag rather than a long approach. Summer is the most comfortable time to visit. Typical averages from a nearby weather station at Rustic, about 1.8 miles away, show July highs around 78°F with lows near 47°F, while winter highs stay in the mid-30s.