Hubbard Cave Four-Wheel Drive Road Trail is a 18 mile lightly trafficked out and back trail located near Glenwood Springs, CO. The trail is primarily used for hiking and mountain biking and is accessible from April until October.
Directions from Glenwood Springs: Follow Highway 82 east from Glenwood Springs for three miles. Take a left onto Red Canyon Road (County Road #115). Go 2 1/2 miles and take a left into an open area and past a gravel pit. Travel two miles and take a right on to a rough four-wheel drive road that winds up the hill. CAUTION: this road is impassable when wet! The road is also extremely narrow, with scrub oak hanging into the road which will scratch wider vehicles. After going 4 1/2 miles, there is a parking area with a trail register near the entrance of the cave. There are no facilities at this site.