Blue Mountain Lake may refer to:
Blue Mountain Lake, a reservoir in Arkansas
Blue Mountain Lake, a lake in Hamilton County in the central Adirondacks, New York
Blue Mountain Lake, New York, a hamlet in the Town of Indian Lake, Hamilton County, New York
Wikipedia https://en.wikipedia.org/wiki/Blue_Mountain_Lake_(New_York)
Address 12812, United States
Coordinates 43°51'44.143" N -74°27'25.215" E