California · Rock climbing · Yosemite National Park

Lower Brother

Lower Brother in California has 7 trad climbing routes with 3 difficulty grades.

Photo: RuggyBearLA, CC BY 2.0 (via Flickr)

7 routes

5.8 – 5.10a

Trad

Is Lower Brother open right now?

No closures listed

The National Park Service lists no closures for Yosemite National Park.

As of Oct 23, 8:30 pm PDT · Source: NPS · Yosemite National Park. Agencies don't list every closure — check before you go.

Best time to visit Lower Brother

Best months: March–June and September–November. 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
48° / 29°
9 wet
Feb
51° / 30°
9 wet
Mar
57° / 33°
10 wet
Apr
63° / 38°
8 wet
May
70° / 45°
6 wet
Jun
80° / 51°
3 wet
Jul
89° / 57°
1 wet
Aug
89° / 57°
1 wet
Sep
83° / 51°
2 wet
Oct
71° / 41°
3 wet
Nov
56° / 32°
6 wet
Dec
46° / 28°
8 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Yosemite Park Hq, CA, 1.7 mi away at 4,018 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Lower Brother is a climbing area in Yosemite National Park in California, managed by the National Park Service. It sits within the park's own boundaries, and a fee is charged for access. The climbing here is all trad, with seven routes ranging from 5.8 to 5.10a. Among them are Nutty Buddy at 5.8, Absolutely Free, Right Side at 5.10a, and Positively 4th Street, a 5.9 first ascended by Dennis Miller, Jeff Mathis and Chris Falkenstein in March 1973. 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 71°F, while July and August average highs near 89°F. The Camp 4 Area is about 0.3 miles away and the Manure Pile Buttress (aka Ranger Rock) about 0.4 miles. The Four Mile Trailhead is about 0.6 miles off, and Lower Pines Campground is about 2.5 miles away.