California · Rock climbing · Riverside

Triangle Boulders

Triangle Boulders in California has 10 bouldering routes across 6 difficulty grades.

10 routes
V0- – V3-
Bouldering

Best time to visit Triangle Boulders

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

    70° / 44°

    7 wet

  2. Feb

    70° / 45°

    7 wet

  3. Mar

    72° / 47°

    6 wet

  4. Apr

    75° / 50°

    4 wet

  5. May

    80° / 55°

    2 wet

  6. Jun

    87° / 58°

    1 wet

  7. Jul

    94° / 63°

    1 wet

  8. Aug

    97° / 64°

    0 wet

  9. Sep

    93° / 61°

    1 wet

  10. Oct

    82° / 55°

    2 wet

  11. Nov

    76° / 47°

    3 wet

  12. Dec

    69° / 43°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Riverside Citrus Exp, CA, 2.2 mi away at 986 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Triangle Boulders is a climbing area in Mount Rubidoux Park, a city-managed park in California. It sits among several other bouldering spots within the park, and the park itself is the nearest town to name. The most comfortable time to visit is spring, when typical averages from a nearby weather station run from highs of about 70°F in January and February to around 75°F in April. Summer is hot, with typical highs near 94°F in July and 97°F in August. Winter brings the fewest wet days, about 5 to 7 a month, and no snow days from December through March. Beach Wall, Superstar Slab and Beach Boulder all lie about 0.1 mile away. For a walk, the Park path is roughly 2.3 miles off, and paddlers can find Lytle Creek about 9 miles away.