Check out some of the best hiking, walking and backpacking routes in Johnson County, Illinois. The
Tunnel Hill State Trail is the most popular trail. The trails have 5 user reviews with great photos and information. There are trails of various difficulty levels including easy and medium. The trail with the highest elevation climb is the
Big Rocky Hollow Loop Trail and the trail with the least amount of climbing is the
Tunnel Hill State Trail to Belknap. The longest trail is the
Tunnel Hill State Trail at 89.2 km. For a shorter adventure you can try the
Rebman's Loop Trail at 660 m. Get off line access to Town, Fastfood, Campsite, and Shelter locations and much more with a Hiiker subscription.