Near Louisville, the 400 acre Platte River State Park has a 12 mile loop. The route has rocky chutes and short steep climbs.
To reach the mountain biking trailhead from US80, use exit 426. Head east on SR66 towards South Bend. The park entrance is only 6 miles from US80.
Overall, Platte River State Park is the 4th most popular mountain bike trail of all 6 mountain biking rides in Nebraska.