Portage Lakes State Park has day use facilities only. Information on overnight facilities at Nimisila Reservoir can be found at www.summitmetroparks.org. 411-acre Portage Lakes State Park offer visitors a variety of outdoor recreational experiences. Boating, swimming and fishing are popular on the several surrounding lakes. The wetlands of the park attract waterfowl and shorebirds providing visitors enjoyment whether hunting or observing wildlife.