Big Hole is a large maar (explosion crater) in the Fort Rock basin of Lake County, central Oregon, northeast of Crater Lake, near Oregon Route 31. It is approximately 6000 ft (1820 m) across and 300 feet (91 m) deep.[3]
Big Hole | |
---|---|
Coordinates: 43°25′30″N 121°18′48″W / 43.4251292°N 121.3133502°W | |
Location | Lake County, Oregon, U.S. |
Range | Cascade Range |
Age | Possibly 20,000 years[1] |
Elevation | 1,406 m (4,613 ft) at the bottom[2] |
Last eruption | 10,000-100,000 years ago |
Topo map | USGS Big Hole |
It is close to another smaller, but less-eroded maar crater, Hole-in-the-Ground.