Near McKee in the Daniel Boone National Forest, the S-Tree OHV Route is a 9.5 mile stretch of the Sheltowee Trace National Recreation Trail. It is a fifty inch wide, single lane trail with two-way traffic. The grades are moderate (under 30%). Most of the route is through wooded terrain. Riders will encounter some areas where the trail passes through briar thickets. Surface of the trail is relatively smooth with some rocky sections and mud. It is generally suitable for novice and intermediate riders. S-Tree Campground is located at the southern end of the route. There is no water available at the campground, which is open year round. This route may be combined with Renfro Loop Trail. Also, the Turkey Foot Route is only one road mile from the north terminus of the S-Tree Route.
To reach the dirt biking trailhead from McKee, head was on US421 for 0.5 miles. Then turn left (south) on KY 89 for 3 miles, turn right (west) on FDR 43. Go one mile, turn left (south) on FDR 20 and follow the signs.
The trailhead is at the junction of FDR 431 and 20. Trail may also be accessed from the campground.
Overall, S-Tree OHV Route is the 8th most popular dirt bike trail of all 24 dirt biking rides in Kentucky.