Signal Hill Petroglyphs
733-5158, Saguaro National Park West, off I-10 at Speedway Blvd. exit, located 30 minutes west of downtown Tucson. $10/vehicle. Park open sunrise–sunset. Visitors center 9 a.m.–5 p.m. Allow 1 hour.The Signal Hill petroglyphs are typical of the many rock paintings and carvings scattered throughout the Sonoran Desert by ancient Native Americans. Picnic area path leads up to petroglyphs.