On the sandy lake plain, there are two large lakes, Millecoquins and Brevoort, and several smaller lakes. On bedrock, or where limestone and dolomite bedrock is near the surface, there are numerous lakes, including Merwin, Gulliver, McDonald, Caribou, and East. Several other small, highly calcareous lakes are located on the dolomite of Drummond Island. Rivers are not numerous. Two of the larger are the Pine and Carp, which originate in other sub-subsections farther to the north.
Soils are diverse.
Lacustrine soils are primarily sands, but there are small, local areas of lacustrine clays. The clays are primarily poorly drained. The sands are generally either excessively drained or poorly drained. Excessively drained sands are on beach ridges or dunes. Poorly drained sands are more common, occupying much of the flat lake plain or depressions between dunes and beach ridges.