Over a dozen hiking / cross-country-ski trails totaling 55 miles 94 km lead to the dunes and other interesting areas of the park. Some of these are closed in winter. Horseback riding is permitted on one of them Alligator Hill. The iPhone app Sleeping Bear Trails lists each trail.
Climb the big dune
The dune at the center of the park near sleeping bear point isn't an easy climb, but it's within the ability of anyone in decent physical condition, and worth the effort for the view. open any time, day or night, year-round.
nature walks
Ranger-led nature walks on the Cottonwood Trail are offered in summer.
campfire programs
Evening campfire programs are offered by the rangers at the D.H. Day and Platte River campgrounds during the summer, open to everyone.
Snowshoe hikes
Are organized and led by the park rangers on weekends during january and february. they start from the visitor center, and last about 2 hours.
Junior Rangers
Kids 6-16 can apply to become Junior Rangers. Fill out the workbook $1.95 at several park concessions with the help of a ranger, and get a Junior Ranger patch and bragging rights.