| Glass Mountain Ridge | |
| Photo Alt: | Mono County, CA: Crowley Lake and Glass Mountain Ridge, southwest view; Glass Mountain: highest peak (3395 m) in centre left; November 1994 |
| Elevation Ft: | 10505 |
| Elevation Ref: | [1] |
| Location: | Mono County, California, U.S. |
| Map: | USA California |
| Map Size: | 200 |
| Coordinates: | 37.7492°N -118.6853°W |
| Topo: | USGS |
Glass Mountain Ridge is a ridge located in Mono County, California. It reaches an elevation of 10505feet.[1]
The Glass Mountain Ridge forms the northeast boundary of Long Valley Caldera. It consists of a sequence of lava domes, flows, and welded pyroclastic flows of rhyolite composition that were erupted between 2.1 and 0.8 million years ago.[2]