Notable Vents
| Name | Elevation | Location | Last eruption |
| Big Hole | possibly 20,000 years ago | ||
| Black Hills | |||
| Boat-Wright Ranch | |||
| Flat Top | |||
| Flatiron | |||
| Fort Rock | 43°22′N 121°04′W / 43.37°N 121.06°W / 43.37; -121.06 | 50,000 to 100,000 years ago | |
| Hole-in-the-Ground | 43°25′N 121°12′W / 43.41°N 121.20°W / 43.41; -121.20 | 50,000 to 100,000 years ago | |
| Horning Bend | |||
| Moffitt Butte | 43°31′N 121°26′W / 43.51°N 121.44°W / 43.51; -121.44 | 50,000 to 100,000 years ago | |
| Reed Rock | |||
| Ridge 28 | |||
| St. Patrick Mountain | |||
| Sand Rock | 43°22′N 120°19′W / 43.37°N 120.32°W / 43.37; -120.32 | 50,000 to 100,000 years ago | |
| Seven-Mile Ridge | |||
| South Green Mountain | |||
| Table Mountain | |||
| Table Rock | 43°10′N 120°53′W / 43.17°N 120.88°W / 43.17; -120.88 | 50,000 to 100,000 years ago | |
| Wastina Butte | |||
| Wildcat Butte |
Read more about this topic: Fort Rock Basin
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