California · Rock climbing · Riverside

Main Wall Left

Main Wall Left in California has 18 climbing routes across 7 difficulty grades, offering bouldering, sport, and trad.

18 routes
5.7 – 5.11a
Sport · Trad · Mixed

Best time to visit Main Wall Left

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

    66° / 37°

  2. Feb

    66° / 38°

  3. Mar

    71° / 40°

  4. Apr

    74° / 44°

  5. May

    80° / 51°

  6. Jun

    87° / 56°

  7. Jul

    94° / 62°

  8. Aug

    95° / 62°

  9. Sep

    92° / 59°

  10. Oct

    82° / 49°

  11. Nov

    72° / 41°

  12. Dec

    65° / 37°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at March Afb, CA, 7 mi away at 1,516 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Main Wall Left is a climbing area in Box Springs Mountain Park, a county park in California, on land managed by the county. It sits among several other climbing areas, which makes it easy to pair with other routes in the same part of the park. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show April highs around 74°F and October highs around 82°F, while July and August average in the low 90s. Main Wall Right and Knob Wall are both about 0.1 mile away, and Sleepers Wall is about 0.2 mile away. For a walk, Blaine Trail is about half a mile off.

Keep exploring — more climbs worth the drive