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Caldera Lakes
Lakes and Ponds
ECOSYSTEMS > INLAND OREGON > LAKES AND PONDS

Some of the state’s lakes formed in the calderas of extinct or dormant volcanoes. As the volcanoes erupt, their mountain structure often collapses into a basin which, over time, fills with rainwater and creates these lakes.

​In Oregon, the best known of these is the aptly-named Crater Lake, a 1,932-foot (588.8 m) deep basin located in the caldera of ancient Mt. Mazama. Additional caldera lakes include East Lake, Paulina Lake, Blue Lake and the North and South Twin Lakes.

​See the maps below for directions to these locations.

Where Can I See a Caldera Lake in Oregon?

Crater Lake and Vicinity
GPS Coordinates: 42.9357621, -122.2759867
Blue Lake, Corbett State Park
GPS Coordinates: 44.415423, -121.762228
East Lake, Newberry Volcano National Monument
​GPS Coordinates: 43.7274192, -121.2294018
North and South Twin Lakes, Deschutes National Forest
​GPS Coordinates: 43.6680155, -121.8817638
Paulina Lake, Newberry Volcano National Monument
GPS Coordinates: 43.7192631, -121.2762727

Representative Species for Caldera Lakes:

American beaver
Common raven
Great Basin spadefoot toad
Turkey vulture
American crow
Coyote
Great Basin spadefoot toad
Western hemlock
Bald eagle
Douglas-fir
Red-tailed hawk
Black bear
North American River Otter
Steelhead trout

​Suggested Activities for These Areas:

Fishing
Wildlife spotting
Hiking
Kayaking
Photography and Video
Picture
Picture
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