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Additional Resources

Crater Lake National Park—National Park Service information about regional history, camping, climbing, and trails. 

Pacific Northwest Seismic Network's Crater Lake Website—The premier source for information about seismic activity around Crater Lake, Oregon. 

Oregon Department of Geology and Mineral Industries (DOGAMI)—State of Oregon geology information. Access to maps, LIDAR data, and field trip guides are available for Three Sisters and other regions within the state of Oregon. 

Crater Lake Geologic Guide and Recreation Map—Lidar illustrated map created by DOGAMI. 

Crater Lake Institute—Not for profit organization aimed at providing information to enrich the visitor experience to Crater Lake National Park. 

Nature of the Northwest—Geologic information for Oregon offered by DOGAMI

Discover Your Northwest—A good source of books, maps, and other information for wilderness areas within the state of Oregon. Search Crater Lake for region-specific resources. 

Summit Post Climbing and National Park Recreation Information for Crater Lake—A resource for technical mountaineering information supported by a community of outdoor enthusiasts who share information and stories about backpacking, rock climbing, hiking, and camping.