California · Rock climbing · Altadena

Roadside Boulder

Roadside Boulder in California has 6 bouldering routes across 4 difficulty grades.

6 routes
V0 – V3-
Bouldering

Is Roadside Boulder open right now?

Alert in the area

The Forest Service lists 7 alerts for Angeles National Forest.

As of · Source: USFS · Angeles National Forest. Agencies don't list every closure — check before you go.

Best time to visit Roadside Boulder

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° / 45°

    7 wet

  2. Feb

    69° / 46°

    7 wet

  3. Mar

    73° / 48°

    6 wet

  4. Apr

    76° / 51°

    4 wet

  5. May

    78° / 54°

    3 wet

  6. Jun

    84° / 58°

    2 wet

  7. Jul

    89° / 62°

    1 wet

  8. Aug

    91° / 63°

    0 wet

  9. Sep

    90° / 62°

    1 wet

  10. Oct

    83° / 56°

    2 wet

  11. Nov

    75° / 50°

    3 wet

  12. Dec

    67° / 45°

    6 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Pasadena, CA, 4.3 mi away at 864 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Roadside Boulder is a bouldering area in the Los Angeles Gateway Ranger District of Angeles National Forest in California, about a tenth of a mile from the Millard Canyon Crest Trail. It sits among a cluster of climbing and hiking spots, with Canyon Crest Road Boulder and the Arroyo Seco Boulders both within a quarter mile. The area is a short stop for boulderers. Six bouldering problems make up the routes here, all rated between V0 and V3- on the V scale. Road Kill is the easiest at V0, and Hells Bells is the hardest at V3-. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station in Pasadena show April highs around 76°F and October highs around 83°F, while July and August average in the low 90s. Nearby, the Millard Canyon Crest Trail and El Prieto Trail are both within half a mile. Millard campground is about 1.2 miles away, and Bear Canyon campground is about 2.7 miles away.

Routes (6)

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