California · Rock climbing · Vacaville

Mother Boulder

Mother Boulder in California has 9 climbing routes on bouldering pads.

9 routes
V0 – V5
Bouldering

Best time to visit Mother Boulder

Best months: October–May. 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

    58° / 40°

    12 wet

  2. Feb

    63° / 42°

    11 wet

  3. Mar

    69° / 45°

    9 wet

  4. Apr

    75° / 48°

    5 wet

  5. May

    83° / 53°

    3 wet

  6. Jun

    91° / 58°

    1 wet

  7. Jul

    97° / 60°

    0 wet

  8. Aug

    96° / 59°

    0 wet

  9. Sep

    92° / 58°

    1 wet

  10. Oct

    81° / 52°

    3 wet

  11. Nov

    67° / 44°

    7 wet

  12. Dec

    58° / 40°

    10 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Vacaville, CA, 1.8 mi away at 110 ft. The station sits about 600 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Mother Boulder is a climbing area in Brown's Valley Ridge Open Space, a city-managed open space in California. It sits on city land, and the nearest town is Vacaville, about 2 miles away. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station in Vacaville show April highs around 75°F and October highs around 81°F, while July and August average in the mid-90s. Several other boulders lie close by. Hidden Boulder is about 0.1 mile away, and Rump Roast and Y Boulder are each about 0.3 mile off. For a walk, the Al Patch Track Footpath is about 4 miles away.

Keep exploring — more climbs worth the drive