Thousand Island Lake

Thousand Island Lake is a large alpine lake in the Sierra Nevada, within the Ansel Adams Wilderness in eastern Madera County, California.

Thousand Island Lake
Banner Peak above the lake
Thousand Island Lake
Thousand Island Lake
LocationSierra Nevada, Ansel Adams Wilderness, Madera County, California, United States
Coordinates37°43′15″N 119°10′56″W
Primary outflowsMiddle Fork San Joaquin River
Basin countriesUnited States
Max. length2.5 mi (4.0 km)
Max. width0.7 mi (1.1 km)
Surface elevation2,997 metres (9,833 ft) [1]
Islandsmany
References[1]

The lake is named for the many small rocky islands that dot its surface. Theodore Solomons probably established the 'Thousand Island' name, as this appears on his 1896 map. John Muir called it by "Islet Lake."[2]


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