Divers, amateur geologists, anglers and anyone with curiosity about what lies beneath the waves, will enjoy the new water depth map of Blue Mountain Lake. The printed contour map reveals dramatic underwater terrain. Sharp cliffs tumble into cavities, giant glacial erratics are scattered about, and unseen underwater ridges link some islands while deep holes separate others.
Blue Mountain Lake straddles the divide between the Saint Lawrence and Hudson watersheds and is ringed by mountains whose slopes continue below the surface. An enormous northeast to southwest glacial groove runs under West Bay and includes the lake’s deepest spot. That low point is 102.7 feet down where there is a huge erratic. » Continue Reading.