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] It is close to another smaller, but less-eroded maar crater, Hole-in-the-Ground.

This article about a specific United States geological feature is a stub.

You can help Wikipedia by expanding it.