Northeast of Pierce in the Clearwater National Forest, the Old Sampson Trail OHV Route is a 4.5 mile route open to OHV users. The trail follows the ridge dividing Mannering Creek and Blakes Fork. The route climbs about 800 feet in elevation from the Meadow Creek Road to the Divide Road. A loop could be formed with connections to the Palouse Divide Adventure Road 377 and the Meadow Creek Road 328.
Overall, Old Sampson Trail OHV Route is the 12th most popular OHV & 4wd jeep trail of all 12 OHV routes in Idaho.