Lonesome Boulder
Lonesome Boulder in California has 10 climbing routes across 7 difficulty grades.
- 10 routes
- V0 – V2-3
- Bouldering · Mixed
Best time to visit Lonesome 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.
Jan
69° / 43°
6 wet
Feb
69° / 44°
6 wet
Mar
71° / 48°
5 wet
Apr
75° / 51°
3 wet
May
76° / 56°
2 wet
Jun
81° / 59°
1 wet
Jul
86° / 63°
1 wet
Aug
89° / 65°
0 wet
Sep
87° / 62°
1 wet
Oct
81° / 56°
2 wet
Nov
75° / 47°
3 wet
Dec
69° / 42°
5 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at El Cajon, CA, 6.5 mi away at 495 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Lonesome Boulder is a climbing area in California, about 1.6 miles from the town of Carlton Hills. It sits among a cluster of other climbing spots, so it works well as one stop in a day of bouldering in the area. Spring and fall are the most comfortable times to visit. Typical averages from the nearby El Cajon weather station show May highs around 76°F and October highs around 81°F, while August averages climb to about 89°F. Several climbing areas lie right next door, including Carousel, The, Synchronicity Area, Animal Boulder and Bullet Hole Wall, all about 0.1 mile away. For a walk, Spring Canyon Trail and North Fortuna Perimeter Trail are each about 0.6 mile off.
Keep exploring — more climbs worth the drive
Photo: The Dye Clan, CC BY-SA 3.0 (via Wikimedia Commons)Middle Earth
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The Carousel
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Synchronicity Area
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Synchronicity Area in California has 6 routes with 5 difficulty grades, offering bouldering and sport climbing.
Animal Boulder
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5 bouldering routes in California spanning 4 difficulty grades.
Bullet Hole Wall
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Moby Dick Area
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Moby Dick Area in California has 8 routes across 7 grades, offering bouldering and sport climbing.
Lieback Rock
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Lieback Rock in California has 11 bouldering routes across 9 grades.
Round Rock
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Round Rock is a 6-route bouldering crag in California with 5 difficulty grades.
The Amphitheater
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Amphitheater is a bouldering crag in California with 13 routes.
Beehive Boulders
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Beehive Boulders in California has 12 climbing routes with 9 difficulty grades.
