California · Rock climbing · Azusa

Crystal Lake Boulders

Crystal Lake Boulders in California has 14 routes with bouldering pads, mixed, and trad styles.

14 routes
5.4 – 5.9+
Bouldering · Trad · Mixed

Is Crystal Lake Boulders 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 Crystal Lake Boulders

Best months: Year-round. 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

    56° / 38°

    7 wet

  2. Feb

    55° / 37°

    8 wet

  3. Mar

    59° / 39°

    7 wet

  4. Apr

    63° / 42°

    4 wet

  5. May

    70° / 48°

    3 wet

  6. Jun

    79° / 58°

    1 wet

  7. Jul

    84° / 64°

    1 wet

  8. Aug

    85° / 64°

    1 wet

  9. Sep

    81° / 59°

    1 wet

  10. Oct

    72° / 51°

    3 wet

  11. Nov

    63° / 43°

    4 wet

  12. Dec

    55° / 37°

    7 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Mt Wilson Cbs, CA, 14.6 mi away at 5,710 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Crystal Lake Boulders is a climbing area in the San Gabriel Mountains National Monument Ranger District of Angeles National Forest in California, managed by the Forest Service. It sits among a cluster of trails and climbing spots, with Soldier Creek Trail and Islip Ridge Trail both within half a mile. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show May highs around 70°F and October highs around 72°F, while July and August average in the mid-80s. Crystal Lake Rec Area and Crystal Lake Crag are both about 0.6 miles away, and Crystal Lake Wall is about a mile off. For a change of pace, the San Gabriel River is roughly 6 miles away.

Routes (14)

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Freezer Burn WallPhoto: RuggyBearLA, CC BY 2.0 (via Flickr)

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Stream WallPhoto: RuggyBearLA, CC BY 2.0 (via Flickr)

Stream Wall

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Devil's PunchbowlPhoto: RuggyBearLA, CC BY 2.0 (via Flickr)

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