California · Rock climbing · Winters

Heavy Metal Boulder

6 bouldering routes in California at Heavy Metal Boulder.

6 routes
V1 – V5
Bouldering

Best time to visit Heavy Metal 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

    57° / 38°

  2. Feb

    62° / 41°

  3. Mar

    68° / 44°

  4. Apr

    73° / 48°

  5. May

    82° / 53°

  6. Jun

    91° / 58°

  7. Jul

    97° / 60°

  8. Aug

    96° / 58°

  9. Sep

    91° / 56°

  10. Oct

    80° / 50°

  11. Nov

    66° / 43°

  12. Dec

    57° / 38°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lake Solano, CA, 3.3 mi away at 187 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Heavy Metal Boulder is a climbing area in California, set within Putah Creek Fishing Access, a state fishing access managed by State Fish and Wildlife. It sits among a cluster of boulders, with Purgatory Boulder and the Rich Valdez Memorial Boulder both about 0.1 mile away. Spring and fall are the most comfortable times to visit. Typical averages from the nearby Lake Solano weather station show April highs around 73°F and October highs around 80°F, while July and August average in the mid-90s. For a change from bouldering, the Blue Ridge Trail and Homestead Trail are both within about 3 miles. Scott's Rock, another climbing area, lies roughly 9 miles away.

Keep exploring — more climbs worth the drive