California · Rock climbing · Ramona

Poison Oak Boulder Area

Poison Oak Boulder Area in California has 28 climbing routes.

Poison Oak Boulder AreaPhoto: daveynin, CC BY 2.0 (via Flickr)
28 routes
5.7 – 5.13a
Sport · Mixed · Trad

Best time to visit Poison Oak Boulder Area

Best months: October–June. 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

    68° / 38°

    6 wet

  2. Feb

    68° / 39°

    7 wet

  3. Mar

    69° / 41°

    6 wet

  4. Apr

    73° / 43°

    4 wet

  5. May

    77° / 49°

    2 wet

  6. Jun

    84° / 52°

    1 wet

  7. Jul

    90° / 57°

    0 wet

  8. Aug

    92° / 59°

    0 wet

  9. Sep

    90° / 55°

    1 wet

  10. Oct

    82° / 49°

    2 wet

  11. Nov

    74° / 43°

    3 wet

  12. Dec

    67° / 37°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Ramona Fire Dept, CA, 3.5 mi away at 1,470 ft. The station sits about 1,100 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Poison Oak Boulder Area is a climbing area in the City of San Diego Open Space, on city-managed land in San Diego, California. It sits among a cluster of other climbing spots, with Mount Woodson, Hamburger Crack Area and Central Oaks Area all about 0.1 mile away. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show April highs around 73°F and October highs around 82°F, while July and August average in the low 90s. Warren Canyon Trail is about 0.4 mile away, and Fry/Koegel Trail is about 0.9 mile away. For paddling, the San Diego River and San Dieguito River are both within about 10 miles.

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