Coronado National Forest — lakeside, fishing, hiking
Location: Safford, AZ, AZ
Price: From $25 per night
Rating: 4 out of 5 (0 reviews)
Season: May through October
Upper Hospital Flat is a great place for groups to escape the summer heat of surrounding deserts and retreat to a scenic meadow in the Pinaleño Mountains of southeastern Arizona. The area is known for camping, scenic driving, picnicking, birding, wildlife viewing, hiking, mountain biking and history. In the 1880s, the campground served as the site for a field hospital for ailing soldiers from nearby Fort Grant, hence its name.
Cell coverage (FCC estimate): none signal. Actual signal may vary in remote areas.
Amenities: Fire Rings, Picnic Tables, Fishing, Firewood for Sale
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/upper-hospital-flat-group-site to be notified when sites open up.
Upper Hospital Flat is a scenic group site in the Pinaleño Mountains offering relief from desert heat at high elevation, with activities including hiking, biking, fishing, and wildlife viewing. Campers consistently praise the breathtaking scenery and pristine mountain environment.
Wildlife alert: American Black Bear, Mount Graham Red Squirrel, American Elk, Abert's Squirrel, White-nosed Coati, Mexican Spotted Owl, Chihuahuan Mountain Kingsnake present in area
Insider tips for Upper Hospital Flat Group Site: Book early — this is a federal campground with limited availability Plan for altitude adjustment; multiple reviews mention the elevation requires acclimatization Only 1 group site available; verify group size accommodations before booking
Skip Upper Hospital Flat Group Site if: You need hookups — no hookups available at this site. You visit outside May-October — seasonal operations only. You're camping solo or with a small group — this is designated as a group site.
Best time to visit Upper Hospital Flat Group Site: May-October — Official operating season; cooler mountain temperatures provide relief from surrounding desert heat.
Nearby campgrounds: Treasure Park - East (Safford, AZ), Lower Twilight Group Site (Safford, AZ), Upper Arcadia (Safford, AZ), Stockton Pass (Safford, AZ).
Cell signal at Upper Hospital Flat Group Site (Safford, AZ): none overall signal based on FCC broadband data.
Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.



Upper Hospital Flat is a great place for groups to escape the summer heat of surrounding deserts and retreat to a scenic meadow in the Pinaleño Mountains of southeastern Arizona. The area is known for camping, scenic driving, picnicking, birding, wildlife viewing, hiking, mountain biking and history. In the 1880s, the campground served as the site for a field hospital for ailing soldiers from nearby Fort Grant, hence its name.
Known issues, each with the workaround. Read before you book.
Book early
this is a federal campground with limited availability
Plan for altitude adjustment; multiple reviews mention the elevation requires acclimatization
Only 1 group site available; verify group size accommodations before booking
Official operating season; cooler mountain temperatures provide relief from surrounding desert heat
FCC maps are theoretical — camper reports confirm signal.









From Safford, Arizona: Take State Route 191 south for 6 miles. Turn right onto State Route 366/Swift Trail and travel 23.3 miles to the Upper Hospital Group Site entrance on the right (MM 137.2). From Tucson, Arizona: Take I-10 east for 90 miles. Take exit 352 for State Route 191, and turn left toward Safford. Drive 26.3 miles north and turn left on State Route 366/Swift Trail. Continue for 23.3 miles to the Upper Hospital Group Site entrance on the right (MM 137.2).
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