California · Rock climbing · Riverside

Island Wall

Island Wall in California has 31 climbing routes across 19 difficulty grades.

31 routes
V0 – V7
Bouldering · Sport · Trad

Best time to visit Island 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.

Island Wall is a climbing area in Mount Rubidoux Park, a city-managed park in California. It sits on city land, and its cluster of boulders and short routes puts it close to the city's edge. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station run from highs around 70°F with lows near 44°F in January and February to highs around 76°F with lows near 47°F in November. That station sits about 2 miles away and about 230 feet below the wall, so temperatures on the wall may run a little cooler. The climbing here is dominated by bouldering, with 26 boulder problems and a single traditional route among the 31 routes. Grades range from V0- to V7 on the V scale and from 5.6 to 5.10+ on the YDS scale. Some of the named routes include Mantel Place at V0 and Middle of the Road Madness at V7, with the latter's first ascent by Hensel. Presto Digitator and Street Boulder are both about 0.1 mile away. For a walk, Park path is roughly 2.3 miles off.

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