Big Hole (Oregon)
Encyclopedia
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 (91.4 m) deep.
It is close to another smaller, but less-eroded maar crater, Hole-in-the-Ground
.
Maar
A maar is a broad, low-relief volcanic crater that is caused by a phreatomagmatic eruption, an explosion caused by groundwater coming into contact with hot lava or magma. A maar characteristically fills with water to form a relatively shallow crater lake. The name comes from the local Moselle...
(explosion crater) in the Fort Rock Basin
Fort Rock Basin
Portions of this article include public domain text from the USFS .The Fort Rock-Christmas Lake Valley Basin is the basin of a former inland sea that existed in that region from Pliocene through late Pleistocene time....
of Lake County
Lake County, Oregon
Lake County is a county in the high desert south central region of the U.S. state of Oregon, so named for the many lakes found within its boundaries, including Lake Abert, Hart Lake Reservoir, and Goose Lake. While Lake is among Oregon's largest counties, it is sparsely populated with 7,895...
, central Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
, northeast of Crater Lake
Crater Lake
Crater Lake is a caldera lake located in the south-central region of the U.S. state of Oregon. It is the main feature of Crater Lake National Park and famous for its deep blue color and water clarity. The lake partly fills a nearly deep caldera that was formed around 7,700 years agoby the...
, near Oregon Route 31. It is approximately 6000 ft (1820 m) across and 300 feet (91.4 m) deep.
It is close to another smaller, but less-eroded maar crater, Hole-in-the-Ground
Hole-in-the-Ground
Hole-in-the-Ground is a large maar in the Fort Rock Basin of Lake County, central Oregon, northeast of Crater Lake, near Oregon Route 31....
.