Catalina State Park 
Oracle Rd.
Tucson, AZ 85740
520-628-5798
http://azstateparks.com/Parks/CATA/index.html
State Park: Bike, Birding, Camp, Hike, Horse, Picnic, Walk
This scenic desert park offers camping, hiking, picnicking, bicycling, horseback riding, plant and wildlife viewing, and an archaeological site, all just a few minutes from Tucson.