The southern portion of Winagami Wildland Park includes a stretch of the South Heart River valley and associated riparian areas that serve as a wildlife corridor. The area contains a jack pine-dominated sand dune and outwash complex. The park's northern portion consists of lands around the dams and diversion of the South Heart River. A representative part of the McLennan sloping fen is also located within the park. This non-patterned fen, without internal lawns, is comprised mainly of sphagnum peat and is dominated by a continuous cover of vegetation. Small, more or less circular mounds of glaciolacustrine materials are scattered throughout the wetlands, a feature not common to fens. There is a garter snake hibernacula in the valley. Great blue herons and bald eagles nest in large shoreline trees. White pelicans forage on water bodies.