Park entry requires a Recreation Passport (valid for 1 year and allows entry into Michigan state parks) $11 (per private in-state vehicle); $5 (per in-state motorcycle); $31 (per private out-of-state vehicle). Nonresident single-day pass $9 (per private out-of-state vehicle).
Mon.-Sat. 10-5, Sun. noon-5, Memorial Day weekend-Labor Day. Hours vary mid-Jan. through day before Memorial Day weekend and day after Labor Day to mid-Nov. Park open daily 8 a.m.-dusk, year-round. Phone ahead to confirm schedule. Allow 2 hours minimum.