At the close of the last Ice Age about 13,200 years ago glacial ice formed a dam across the valley of the East Branch Ausable River creating a series of lakes that overflowed into adjacent watersheds through mountain passes.
This was during the late Wisconsinan glaciation in the final stages of the great continental Laurentide Ice Sheet’s retreat north from the Adirondack Mountains. [Read more…] about Glacial Lakes in the Ausable River Valley
