Between Houston and Austin, Lake Somerville State Park consists of two sections. The Birch Creek area has 19 miles of mountain biking trails and the Nails Creek area has 13 miles. The 21 mile Main Trail connects both districts by following the western shores of Lake Sommerville and Flag Pond.
To reach the mountain biking trailhead from Houston, follow US290 toward Austin. At Burton, turn left heading northwest on SR2780 for 10 miles. Turn right heading northeast on SR180 for 1 mile to the Nails Creek trailhead parking area.
Overall, Lake Somerville State Park is the 26th most popular mountain bike trail of all 59 mountain biking rides in Texas.