Betsie Valley Trail from Thompsonville to Beulah is road aggregate (12 mi), from Beulah to Frankfort is combo of crushed limestone and asphalt. Crystal Lake bike path and Sleeping Bear Heritage trail are asphalt. Level of difficulty is moderate. Trails pass through areas of the Perez Marquette state forest, borders Crystal Lake, and of course, considered one of the most beautiful places in America, Sleeping Bear Dunes National Shoreline.
Platte River campground (NPS run) at the southern end of Sleeping Bear Dunes National Shoreline. Betsie Valley Trail to Frankfort, Crystal Lake bike path to campground.
Platte River campground. Daily miles including path to Empire, Sleeping Bear Heritage trail out and back.