California · Rock climbing · San Diego

The Grinding Stones Circuit

Grinding Stones Circuit, The is a bouldering area in California with 2 routes.

2 routes
V0- – V3
Bouldering

Best time to visit The Grinding Stones Circuit

Best months: Year-round. 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

    67° / 46°

    7 wet

  2. Feb

    67° / 47°

    8 wet

  3. Mar

    69° / 50°

    7 wet

  4. Apr

    71° / 52°

    5 wet

  5. May

    72° / 57°

    3 wet

  6. Jun

    75° / 60°

    1 wet

  7. Jul

    80° / 64°

    0 wet

  8. Aug

    82° / 65°

    1 wet

  9. Sep

    81° / 64°

    1 wet

  10. Oct

    78° / 58°

    4 wet

  11. Nov

    73° / 50°

    6 wet

  12. Dec

    67° / 45°

    7 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at San Diego Montgomery Fld, CA, 5.1 mi away at 417 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Grinding Stones Circuit is a climbing area in Mission Trails Regional Park, a city-managed park in San Diego, California. It sits among a cluster of other climbing spots, with several named areas within about a tenth of a mile. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station show May highs around 72°F and October highs around 78°F, with only a few wet days in each. Summer runs warmer, with August highs near 82°F and almost no rain. The closest neighbors are the Big Orange Block (aka The Spear Head), the Indian Village Boulder and the Limbo Area, all about 0.1 mile away. For a walk, the Oak Grove Loop Trail is about 0.4 mile off.

Routes (2)

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