California · Rock climbing · Running Springs

Luna Boulders

Luna Boulders in California has 5 climbing routes spanning 5 difficulty grades.

5 routes
5.7 – 5.11+
Sport · Trad

Is Luna Boulders open right now?

Closure in the area

There's a closure order in Mountaintop Ranger District. It doesn't name Luna Boulders, so check the source for the area it covers.

As of · Source: USFS · Mountaintop Ranger District. Agencies don't list every closure — check before you go.

Best time to visit Luna Boulders

Best months: April–October. 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

    44° / 29°

    6 wet · 1 snow

  2. Feb

    45° / 30°

    6 wet · 1 snow

  3. Mar

    52° / 32°

    6 wet · 1 snow

  4. Apr

    60° / 36°

    4 wet · 1 snow

  5. May

    67° / 41°

    2 wet

  6. Jun

    76° / 49°

    1 wet

  7. Jul

    81° / 57°

    1 wet

  8. Aug

    82° / 57°

    1 wet

  9. Sep

    74° / 52°

    1 wet

  10. Oct

    63° / 43°

    2 wet

  11. Nov

    52° / 34°

    3 wet

  12. Dec

    43° / 29°

    5 wet · 1 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lake Arrowhead, CA, 8.4 mi away at 5,205 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Luna Boulders is a climbing area in the Mountaintop Ranger District of San Bernardino National Forest in California, managed by the Forest Service. It sits within the national forest's ranger district, and the nearest town is Lake Arrowhead, about 8 miles away. Summer is the warmest stretch for climbing. Typical averages from the Lake Arrowhead weather station, about 8 miles away, show July and August highs around 81 to 82°F with lows near 57°F and only about one wet day a month. Winter brings highs in the low 40s and a few snow days a month. Other climbing areas are close by: Butt Rock Outcrop is about a mile away and Vatican, The is about 1.2 miles away. For a hike, Devils Hole is about 1.9 miles off, and Lake Arrowhead - Green Valley Lake Recreation Area offers fishing about 7.7 miles away.

Routes (5)

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