There are several Arizona State Park Campgrounds and RV Sites off the I-10 Corridor between Casa Grande and Willcox. RV Hookup fees are $25 a night. For sites without electricity they are $17 a night. Reservations can be made online 24/7 or with a phone call. Visit the official Arizona State Park Website for more information.
Picacho Peak State Park Approximately 35 miles North of Tucson just off the I-10 corridor Picacho Peak State Park offers 85 electric sites. There is a new Visitor's Center, great for a quick stop camping off the I-10. Perfect for winter hikes or a wildflower wonderland in the Spring. This was the site of the battle fought furthest west. Every Spring they host the Civil War Reenactment Days. Not to be missed.
Patagonia Lake State Park Approximately 85 miiles from Tucson and accessible from I-19 or I-10, Patagonia Lake State Park is a beautiful lake with camping, picknicking, boating and fishing, the park offers 105 electric sites of different sizes, 2 non electric sites and 12 "boat sites" accessible ONLY by boat. You may rent a boat at the marina. Reservations in the summer are a must as they fill up solid from May - November.
Kartchner Caverns State Park - Located 60 miles East of Tucson near Benson, Kartchner Caverns has over 65 hookup sites for Camping. They are $25 a night, and include Dump Station, Showers, covered picnic areas.
Roper Lake Just outside of Safford, AZ and 2 hours from Tucson, Roper Lake State Park boasts 3 campgrounds, 55 campsites electric and non electric as well as a Day use Area for picnicking and 8 cabins with running water, heat and air conditioning. Reserve online. Electric hookups are $23, non electric are $15 and the cabins are $55. Relax in a natural Hot Springs.
Catalina State Park, just north of Tucson boasts 120 Campsites, 95 with electic and water and 25 without. There are Restrooms, showers and Dump stations. Here you may trailer your own horses or hike on one of several trails which continue all the way to Mt. Lemmon if you wish.
Oracle State Park is opened weekends seasonally. A gift from the Kannally Estate, it has an interesting history. Designated as a Wildlife Refuge, there is a nice picnic area for groups, and hiking trails. We made a day trip out of it. See our review here. Sorry no Camping at this time.