The Aguirre Spring Campground is located on the east side of Organ Mountains, 21 miles east of Las Cruces in Dona Ana County. • Directions: Take U.S. 70 for 14 miles east of the I-25/U.S. 70 interchange in Las Cruces, then turn south on the Aguirre Spring Road (1.1 miles after San Augustine Pass) for six miles. At mile 4 the road becomes a one-way loop and climbs steeply. • Fees: $3 per vehicle for day use and $3 per night to camp. There is a $25 reservation fee for the two group campsites. • Open year-round. • From April to October, the entrance gate is open from 8:00 a.m. until 7:00 p.m. From October until April, it is open from 8:00 a.m. until 5:00 p.m. • Non-campers must be out by 10:00 p.m. year-round.