| Acker Peak | |
|---|---|
 North aspect, centered | |
| Highest point | |
| Elevation | 10,988 ft (3,349 m)[1] |
| Prominence | 908 ft (277 m)[2] |
| Isolation | 1.34 mi (2.16 km)[2] |
| Coordinates | 38°06′32″N 119°30′35″W / 38.1089443°N 119.5096537°W[3] |
| Geography | |
  Acker Peak Location in California  Acker Peak Acker Peak (the United States) | |
| Location | Yosemite National Park Tuolumne County California, United States |
| Parent range | Sierra Nevada |
| Topo map | USGS Piute Mountain |
| Geology | |
| Age of rock | Cretaceous |
| Mountain type | Fault block |
| Type of rock | Granodiorite |
| Climbing | |
| First ascent | 1945 |
| Easiest route | class 2 East slope[1] Southwest slope |
Acker Peak is a summit in Yosemite National Park in Tuolumne County, California.[4] With an elevation of 10,988 feet (3,349 m), Acker Peak is the 665th-highest summit in the state of California.[5]
The summit was named for William Bertrand Acker (1859–1935), a park official.[6] This geographical feature's toponym was officially adopted in 1932 by the U.S. Board on Geographic Names.[3]
The first ascent of the summit was made July 27, 1945, by Arthur J. Reyman.[1]
