Mesa De La Osa (FR 4405) in AZ -- Free Camping & Overnight Parking in Arizona

An 11.5-mile stretch of dirt National Forest road in Pima County, AZ. The road serves Chiva Falls.

Coronado National Forest, Santa Catalina Ranger District allows dispersed camping here -- 14-day limit in any 60 days. Camp at least 200 ft from water, 5,280 ft from a developed campground.

All 11.5 miles in are maintained only for high-clearance vehicles. Dirt the whole way in (11.5 miles). Climbs 2,700 ft over 11.5 miles -- sustained grades near 20%, with pitches to 27%. Winds through 11 switchbacks. Dead-end road -- no mapped turnaround; expect to back out or unhitch. Water crossings 4.1, 4.1, 6.5, 6.7 and 11 miles in.

The La Mesa del Oso Tank shoreline is 0.1 mi off. Helens Dome stands 4,160 ft above the site, 4.6 miles southeast. Private here -- the nearest through road is 1.7 miles off. Night skies measure Bortle 3 -- a dark rural sky. The nearest town, Tanque Verde, is 6.8 mi off.