North and South Twin Lakes, Volcanic lakes in Deschutes National Forest, Oregon, US
North and South Twin Lakes are two lakes formed in shallow volcanic craters within Deschutes National Forest in Central Oregon. The larger body spans around 112 acres while the smaller one covers approximately 99 acres.
These lakes formed roughly 20,000 years ago when rising magma met groundwater, triggering steam explosions that carved out two craters which then filled with water. This volcanic event shaped the landscape and created the two separate basins.
These lakes serve as traditional fishing grounds where families have gathered across generations to catch trout. The visiting rhythm follows the seasonal patterns of spring and summer.
South Twin Lake Campground offers forest service facilities, while Twin Lakes Resort provides cabins, boat rentals, and a convenience store. Visitors should prepare for cold water temperatures and plan visits during warmer months for the best experience.
Both lakes maintain steady water levels throughout the year, making them reliable for visits during any season. Extensive weed beds grow in the shallow waters and form the foundation for healthy rainbow trout populations.
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