California · Rock climbing · Riverside

Borson's Wall

Borson's Wall in California has 18 climbing routes across 13 grades, offering bouldering and sport styles.

18 routes
V0- – V4-
Bouldering · Sport

Best time to visit Borson's Wall

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, 2.1 mi away at 986 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Borson's Wall is a climbing area in Mount Rubidoux Park, a city-managed park in California. The park sits on city land, and the climbing area is one of several named places within its boundaries. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show April highs around 75°F and October highs around 82°F, with only a few wet days in each month. Summer is hot, with August highs averaging about 97°F. Several other climbing areas lie right next to Borson's Wall, including Cornerstone Boulder, Joe Brown and Half Dome Boulder, all about 0.1 mile away. For a walk, the Park path is roughly 2.3 miles off.

Keep exploring — more climbs worth the drive