Southwest of Rapid City in Hanson-Larson Memorial Park, the M Hill Bike Trails system is a new 9.6 mile mountain bike area that is continuing to expand.
To reach the M Hill Bike Trailhead in Hanson-Larson Memorial Park from US90, use Exit #57. Head south on Mt Rushmore Road for 1.8 miles. Head west on Omaha for 2 blocks or 0.2 miles. Turn right on 12th Street for 0.2 miles to Founders Park Drive. After 2 blocks past the bridge, look for the trailhead on the left.
Overall, M Hill Bike Trails is the 9th most popular mountain bike trail of all 10 mountain biking rides in South Dakota.