The South Mesa Trailhead serves the southern end of Boulder's Open Space and Mountain Park land. This trailhead is located near Eldorado Springs on Hwy 170 (Eldorado Springs Drive).
From Boulder (Canyon and Broadway):
Take Broadway (Hwy 93) south, past CU's campus, and out of town. Approximately 1.5 miles after leaving Boulder you will arrive at the intersection of Hwy 93 and Hwy 170 (Eldorado Springs Drive) (stoplight). Take a right (west) and proceed 1.7 miles to the South Mesa Trailhead on the Right. The Dowdy Draw Trailhead is on the left and offers overflow parking. Do not park along Hwy 170. These lots tend to fill early on weekends.