Lake Champlain & Grand Isle Basins

Highest Elevation in Basin: 
280 ft. (85 m)
Length of Main Stems: 
No main stem. Streams drain directly into Lake Champlain.
Area Drained: 
60,253 acres (24,384 hectares)

The Grand Isle Basin is technically not a sub-basin, rather it is a convenient term used to describe the hydrology (the flow of water) on the islands. It includes streams draining directly into Lake Champlain and the islands of Grand Isle, North Hero and Isle La Motte. On the interactive map, Grand Isle Basin has been merged with Lake Champlain (direct) Basin.

Lake Champlain (direct) Basin is those streams and tributaries that do not flow into a larger waterbody, but drain directly into Lake Champlain. The streams and tributaries that make up the Lake Champlain (direct) Basin have small watershed boundaries. For the purpose of this interactive map the Lake Champlain Basin and Grand Isle Basin have been combined. At this time we do not have current drainage data for all of the direct streams and tributaries that are part of the Lake Champlain (direct) Basin.

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