From ABQ (1.5-2 hour drive). Take Interstate 25 north to Bernalillo. Take U.S. 550 northwest to the Village of San Ysidro. Take NM Highway 4 the rest of the way to the Las Conchas Trailhead. You will pass through Jemez Pueblo and Jemez Springs before you arrive at the junction of N.M. highways 4 and 126. From this junction, remain on Highway 4 for about 11 miles. The trailhead is between mile markers 36 and 37.