Sleeper State Park is one of the Michigan parks in thicket's catalog. thicket is a field guide to the parks near you: it maps the ones you have never noticed, gives you a reason to actually go, and keeps a record of where you have been.
Where it is
Sleeper State Park is in Huron County, Michigan. Its approximate coordinates are 43.97186, -83.22054.
Check in at Sleeper State Park
thicket verifies you are actually here by GPS when you check in, so a visit means you went. Checking in builds a streak, earns achievements, and fills in your map of the places you have been.