Four Craters Lava Bed Wilderness Study Area

"Four Craters Lava Bed WSA" by Bureau of Land Management Oregon and Washington , CC BY 2.0

Four Craters Lava Bed

Wilderness Study Area - Oregon

The Four Craters Lava Bed Wilderness Study Area (WSA) is located in Lake County, Oregon, approximately 60 miles southeast of Bend, Oregon and 8 miles north of the small town of Christmas Valley. The WSA is divided into two distinctive types of land areas. The first type is the rugged lava flows and cinder cones. The second type is sagebrush/grassland flats. The WSA contains the "Crack in the Ground," a large tension fracture in the basalt approximately 2 miles long and from 10 to 30 feet in depth. This crack reaches a maximum width of about 20 feet. Another tension fracture, volcanic spires and pressure ridges also occur in the lava flow.

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1:100K map of Fontenelle Reservoir in Wyoming. Published by the U.S. Forest Service (USFS).

Christmas Valley - Back Country Byway Map

Map of Christmas Valley Back Country Byway (BCB) in the BLM Lakeview District area in Oregon. Published by the Bureau of Land Management (BLM).

Crack in the Ground and Green Mountain - Recreation Map

Recreation Map of Crack-in-the-Ground, an ancient volcanic fissure over 2 miles long and up to 70 feet deep, in the BLM Lakeview District area in Oregon. Published by the Bureau of Land Management (BLM).

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1:100K map of Christmas Valley in Oregon. Published by the U.S. Forest Service (USFS).

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Four Craters Lava Bed WSA https://www.blm.gov/programs/national-conservation-lands/oregon-washington/four-craters-lava-bed-wsa https://en.wikipedia.org/wiki/Four_Craters_Lava_Field The Four Craters Lava Bed Wilderness Study Area (WSA) is located in Lake County, Oregon, approximately 60 miles southeast of Bend, Oregon and 8 miles north of the small town of Christmas Valley. The WSA is divided into two distinctive types of land areas. The first type is the rugged lava flows and cinder cones. The second type is sagebrush/grassland flats. The WSA contains the "Crack in the Ground," a large tension fracture in the basalt approximately 2 miles long and from 10 to 30 feet in depth. This crack reaches a maximum width of about 20 feet. Another tension fracture, volcanic spires and pressure ridges also occur in the lava flow.