Among the country’s best rock-climbing areas, Eldorado has Class 5.5 to 5.14 climbs focusing mostly on traditional crack climbing. Suitable for all visitors, a dozen miles of hiking trails also link up to Chautauqua Park. A public pool offers chilly swims in the canyon's famous spring water. Located 5 miles southwest of town.

For the park entrance, take Hwy 93 south from Boulder, then head west on Hwy 170 to the park gates. For climbing tips, visit the Boulder Rock Club beforehand.