Alien Run Trail features 8 miles of hiking trails near Aztec, NM.
Starting from the intersection of Main St and US550 in Aztec, NM, travel North on US550 for 4 miles to mile marker 164 and turn right onto CR2770. Drive 2.7 miles on CR2770 (gravel road) and turn left onto a dirt road (look for a natural gas compressor station at this turn). Drive up the hill 0.5 miles and turn right onto a two track road immediately after the cattle guard. Follow this two track for 0.5 miles to a parking area at the trail head. Cross over the fence guard and catch the single track to the right to start the ride. Cars will have no problems using these roads as long as it is dry.
http://www.tripleblaze.com/trail.php?c=3&i=729