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Northern and Western Adirondack Foothills

Ecoregion in Adirondack Mountains, NY

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The Northern and Western Adirondack Foothills mark the change from more erodible shale and limestone in the Mohawk, Black, and St. Lawrence river valleys to the more resistant rocks of the Adirondack Mountains. The northern foothills rise slowly from 1000 to 1600 feet over 20 to 25 miles before meeting the higher hills and mountains of the Central Adirondacks (58ad). Thick deposits of glacial till in this area have deranged the stream drainage, and a network of intersecting glacial outwash channels winds among scattered low hills. The water table is high, and many wetlands fill depressions in the outwash channels. In the west and southwest, the band of foothills is narrow, and elevations decline more quickly into the Black and Mohawk river valleys. Spruce was a dominant tree species in this region, but it was favored by early loggers, and most of the region is covered with second growth hardwoods forest today.

— EPA

Plants

Eurasian Watermilfoil Myriophyllum verticillatum (species), “Whorled Water-Milfoil”, “Whorl-Leaf Watermilfoil”, “Whorled Leaf Water Milfoil”, “Whorled Milfoil”

Northern and Western Adirondack Foothills

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