One Horse GapThe Buchanan Family’s One Horse Gap Trail Ride takes place at New Hope Hill camp near Williams Hill located 4 miles SW of Herod, IL. Camp is centrally located in the Eastern Region of the Shawnee National Forest. In an article about The One Horse Gap Trail Ride in Western Horseman, the Shawnee National Forest was chosen by Western Horseman magazine readers as one of The Top 5 Best Places to Ride!