Flintstone has 2 hiking trails. These trails range from 5.4 to 42.3 miles in length. The most popular trails are Fifteenmile Creek and Green Ridge State Forest. Trails.com member Rhonda F. recently completed Fifteenmile Creek, Green Ridge State Forest. See all Flintstone trails.
Fifteenmile Creek, Green Ridge State Forest
One of Maryland’s best hikes for getting away from it all, this is a circuit hike in and above the remote canyon of Fifteenmile ...
Across the River, Through the Woods, and Under the Mountain
Few trails in the Mid-Atlantic can boast of such varied scenery as this route through Green Ridge State Forest. The creek ...