First Lake is located in the Town of Webb in Herkimer County, New York, by the hamlet of Old Forge. First Lake is part of the Fulton Chain of Lakes. First Lake is the source of the Middle Branch Moose River.

First Lake
First Lake Location within New York Show map of New York Adirondack Park First Lake First Lake (the United States) Show map of the United States
Location	Herkimer County, New York
Coordinates	43°42′58″N 74°55′23″W
Primary inflows	Second Lake
Primary outflows	Middle Branch Moose River
Basin countries	United States
Surface elevation	1,706 feet (520 m)[1]
Settlements	Old Forge, New York

References