Colorado · Bouldering · Bellvue

Lost Stone

Entry-level problem among five routes at Diamond Boulder.

V1
grade
Bouldering Pads
style

Is Lost Stone 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 Lost Stone

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, 2.5 mi away at 7,700 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of five routes catalogued at Diamond Boulder, this climb represents the entry point to the crag's boulder problems.