Lake George NY Facts and Basic Information: Geology, History, Wildlife, Trophic State and More

Fish and Wildlife
Food Web
Lake Formation
Thermal Stratification
Trophic State
Water Quality


A watershed is an area of land that drains into a waterbody. The Lake George watershed is 233 square miles, which is about five times the area of the Lake's surface.

Lake George is located in northern New York, in the southeastern corner of the Adirondack Park. It is a 32-mile-long, oligotrophic lake formed by earthquakes and glaciers. The Lake is classified as Class AA-Special by New York State; one of its best usages is as a drinking water supply. The Lake is used as drinking water by many people around the lake.

The maximum depth of the Lake is just under 200 feet, with an average depth of about 70 feet. The widest part of the Lake is about two miles across, while the average width is 1.33 miles. There are over 170 islands dotting the Lake's surface. Lake George flows from the south to the north and drops 226 feet into Lake Champlain through the LaChute River in Ticonderoga.

Streams provide Lake George with just over half of its water; the rest comes from precipitation directly on the Lake's surface and groundwater. There are over 100 streams in the watershed, with just eight major streams providing about 2/3 of the total stream flow going into the lake.

To learn more about Lake George, check out the various topics to the left.

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