Boy-Oh-Boy-Oh-Boy
Upper-grade problem in the Marvelous Flake Boulder sector at Cracks On The Rim Area.
- V4
- grade
- Bouldering Pads
- style
Best time to visit Boy-Oh-Boy-Oh-Boy
Best months: April–May and 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.
Jan
56° / 24°
4 wet
Feb
59° / 26°
4 wet
Mar
67° / 31°
3 wet
Apr
74° / 37°
2 wet
May
83° / 44°
2 wet
Jun
94° / 51°
1 wet
Jul
100° / 57°
1 wet
Aug
98° / 54°
1 wet
Sep
90° / 47°
1 wet
Oct
78° / 37°
1 wet
Nov
64° / 27°
2 wet
Dec
55° / 22°
3 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Bishop Ap, CA, 5.9 mi away at 4,102 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
One of 14 boulder problems catalogued at Cracks On The Rim Area, this climb sits at the upper end of the grade range spanning V0 to V4 in the Marvelous Flake Boulder sector.
Photo of the crag

Keep exploring — more climbs worth the drive
Photo: Kunstee, CC BY 2.0 (via Flickr)East Rim Area
~0 min drive
East Rim Area in California has 6 bouldering routes.
Corner Boulder
~0 min drive
Corner Boulder in California has 9 bouldering routes across 5 grades.
Photo: Kunstee, CC BY 2.0 (via Flickr)Acid Wash Cave
~0 min drive
Acid Wash Cave in California has 7 bouldering routes spanning 7 difficulty grades.
Classique Boulder
~0 min drive
Classique Boulder in California has 6 bouldering routes across 4 grades.
Photo: Kunstee, CC BY 2.0 (via Flickr)Gleaner Boulder
~0 min drive
Gleaner Boulder in California has 7 bouldering routes across 5 grades.
Photo: Kunstee, CC BY 2.0 (via Flickr)Tom Peter's Slab Area
~0 min drive
Tom Peter's Slab Area in California has 14 routes on 7 difficulty grades.
Hand to Hand Combat Wall
~0 min drive
17 bouldering routes in California, 10 difficulty grades.
Photo: Kunstee, CC BY 2.0 (via Flickr)Hair Trigger Wall
~0 min drive
Hair Trigger Wall in California has 5 bouldering routes with bouldering pads.
Photo: Kunstee, CC BY 2.0 (via Flickr)Action Figure Area
~0 min drive
Action Figure Area in California has 7 climbing routes on bouldering pads.
Photo: Kunstee, CC BY 2.0 (via Flickr)Toxic Avenger Area
~0 min drive
Toxic Avenger Area is a bouldering crag in California with 18 routes.
