Rock Island State Park Trail descriptions
All trails on Rock Island are open to hiking. There are about 10 miles of hiking trails on the island. Several shorter trails connect the walk-in campsites and the day-use area near the ferry landing and boat house.
Algonquin nature trail (1.0 mile)
This trail is 1.0-mile nature trail loop that begins near the campground.
Fernwood trail (1.2 miles)
This 1.2-mile trail travels through the middle of Rock Island, connecting to the east and west shores
Havamal trail (1.0 miles)
This 1.0-mile trail begins near the large field area and travels through the southern part of the island.
Thordarson loop trail (5.2 miles)
The Thordarson trail follows the circumference of the island for 5.2 miles. The trail is named for Chester Thordarson and his family, who owned the island from 1910 to 1964. Highlights include the Pottawatomie Lighthouse, historic cemeteries, scenic overlooks and a historic water tower.