| Ruby Peak | |
| Elevation Ft: | 13,194 |
| Elevation Ref: | [1] |
| Prominence Ft: | 588 |
| Range: | Sierra Nevada |
| Parent Peak: | Mount Mills[2] |
| Location: | Fresno and Inyo counties, California |
| Map: | California |
| Map Size: | 200 |
| Coordinates: | 37.4089°N -118.7823°W |
| Topo: | USGS Mount Abbot |
| First Ascent: | 1946 by Fritz Gerstaker and Virginia Whitacre[3] |
| Easiest Route: | Scramble, |
Ruby Peak is a thirteener on the Sierra Crest, north of Mount Mills. It is in the John Muir Wilderness and on the boundary between the Sierra National Forest and the Inyo National Forest. It is near Mono Pass.[4] The eastern slope drains into Rock Creek which feeds the Owens River while the western slopes drains in Mono Creek which feeds the South Fork of the San Joaquin River.
The peak's first ascent was prior to 1934 by Norman Clyde via the East Ridge, and on July 24, 1946, by Fritz Gerstaker and Virginia Whitacre made the first ascent of the West Couloir route. A grade IV, class 5.11 route, known as Technical Knockout, ascends Ruby Wall and features a large roof. It was first climbed by Richard Leversee, Kim Miller and Roanne Miller in July 1989.[3]