Exit I-70 at Exit 180 (East Vail). If heading from the east, turn left and pass under the highway. If heading from the west, turn right. This is Bighorn Road. Follow for approximately 3/4 miles to Columbine Drive. Turn left, pass under the highway in a narrow tunnel and park at the small parking lot directly ahead. Only room for about 5 cars, arrive early or you will have to park at the shuttle lot near the exit.