Colorado · Rock climbing · Castle Rock

The Grotto

Grotto, The in Colorado has 7 climbing routes with mixed and sport styles.

7 routes
5.4 – 5.11c
Mixed · Sport

Best time to visit The Grotto

Best months: May–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

    43° / 18°

    5 wet

  2. Feb

    44° / 18°

    5 wet

  3. Mar

    52° / 25°

    7 wet

  4. Apr

    58° / 30°

    8 wet

  5. May

    67° / 40°

    10 wet

  6. Jun

    80° / 49°

    10 wet

  7. Jul

    85° / 55°

    12 wet

  8. Aug

    82° / 54°

    12 wet

  9. Sep

    76° / 46°

    8 wet

  10. Oct

    63° / 35°

    6 wet

  11. Nov

    52° / 25°

    5 wet

  12. Dec

    43° / 17°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Elizabeth 2nw, CO, 6.8 mi away at 6,611 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Grotto is a climbing area in Castlewood Canyon State Park in Colorado, managed by State Fish and Wildlife. It sits among a cluster of climbing spots and trails, with Terminal Area, The and Realm of the Venusian Love Goddess both about 0.1 mile away, and Canyon View Nature Trail at a similar distance. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station show May highs around 67°F and September highs around 76°F, with July the warmest month at about 85°F. Honeycomb Spire is another climbing area about 0.3 mile away, and Lake Gulch Trail is a hike roughly 0.4 mile off. For an overnight stay, Casey's RV Hideaway is about 8.6 miles away.