Round Mountain
Round Mountain is a dormant volcanic cinder cone located in the Clear Lake Volcanic Field in the eastern end of the High Valley. It last erupted approximately 8,500–10,000 years ago and filled the valley with volcanic debris, raising the valley level to 400 feet above Clear Lake.
Details
- Type
- Dormant cinder cone
- Location
- Lake County, Clearlake Oaks, California, USA
- Elevation Ft
- 2,294
- Last Eruption
- 8,500–10,000 years ago
- Volcanic Field
- Clear Lake Volcanic Field