Petroglyph National Monument is located on the north side of Albuquerque, New Mexico.  Admission is free.  The Visitor Center at the park is open daily from 8:30 AM to 4:30 PM.  There are no petroglyph viewing trails at the Visitor Center.  Each of the three petroglyph viewing trail systems (Boca Negra, Rinconada, and Piedras Marcadas Canyons) are from one mile to a 6.5 mile drive from the visitor center.  You may drive directly to the trail of your choice or opt to go to the visitor center to receive brochures, trail maps, and current park information.

1.  Boca Negra Canyon: 1 hour, 100 petroglyphs, developed trail system.  Open daily 8:30 AM to 4:30 PM, last entry at 4:00 PM daily is strictly enforced.  Located off Unser Blvd. NW, approximately one-quarter mile north of Montano Road. 
GPS Lat: 35.160565 Long: -106.719646
Operated and staffed by the City of Albuquerque Open Space Division, this trail system offers visitors the opportunity to view about 100 petroglyphs along three paved trails that are guided by signs.  Restroom facilities, a drinking fountain, picnic tables and shaded seating areas are available.  The City of Albuquerque charges a nominal parking fee of $1 Monday-Friday or $2 on Saturday & Sunday.  Parking fees are per vehicle.  Commercial tour buses are charged a $25 or $50 parking fee depending on the size of the bus. Please inquire directly with the City of Albuquerque at (505) 452-5200.

2.  Rinconada Canyon: 2.2 miles round trip, 2 hours, 200-300 petroglyphs, undeveloped trail system, no water.  Parking lot open daily 8:00 AM to 5:00 PM. Access is allowed sunrise to sunset.  Located off Unser Blvd. NW at the St. Joseph Ave. intersection, approximately 2 miles north of I-40.
GPS Lat: 35.126968 Long: -106.724635
The longest petroglyph viewing trail system in the monument, this moderate undeveloped trail is 2.2 miles round-trip. Water is not available. Vault restroom facility is available at the trail head. See approximately 300 petroglyphs in 1.5-2 hours. Leashed pets allowed. Parking lot is open 8:00 am to 5:00 pm daily. A free trail guide is available at the visitor center.  Warning: Lock your vehicle and set your alarm. Do not invite a thief by leaving valuables visible in your vehicle.

3.  Piedras Marcadas Canyon: 1.5 miles round trip, 1.5 hours, 300-500 petroglyphs, undeveloped trail system, no water, no restrooms.  Open daily from sunrise to sunset.  Located off Golf Course Road at Jill Patricia Street.  Parking lot is behind the Valvoline Motor Oil Change station.
GPS Lat: 35.188749 Long: -106.685601
Located in the north-eastern tip of the monument, this moderate undeveloped trail system is 1.5 miles round-trip. Water is not available. No restroom facilities. No shade. See approximately 300-500 petroglyphs in 1.5 hours. Leashed pets allowed.  A free trail guide is available at the visitor center.

For more information, visit their website at:   https://www.nps.gov/petr/index.htm