Near Arvilla in the Turtle River State Park, the North Star Trail is a 10 mile scenic mountain bike loop through thickly wooded terrain with several stream crossings. The trails in this area tend to be hard packed clay.
Turtle River State Park is located 22 miles west of Grand Forks on ND Highway 2. Park at the Chalet.
Overall, Turtle River State Park is the 5th most popular mountain bike trail of all 8 mountain biking rides in North Dakota.