Upper Thumb Rock (FR 810) in AZ -- Free Camping & Overnight Parking in Arizona

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Upper Thumb Rock (FR 810) in AZ

Coronado NF, Nogales Ranger District
3,892 ft
Maps
EASY
VerizonUNMEASURED
AT&TUNMEASURED
T-MobileUNMEASURED
StarlinkEXCELLENT
Rules not confirmed

Coronado National Forest, Nogales Ranger District administers this ground -- we don't have a verified rule for this spot.

A 0.1-mile stretch of gravel National Forest road in Santa Cruz County, AZ. The road serves Thumb Rock Picnic Area.

All 0.1 miles in are maintained for passenger-car comfort. Gravel the whole way in (0.1 miles). Level ground alongside most of its length. Dead-end road -- no mapped turnaround; expect to back out or unhitch.

The Peña Blanca Lake shoreline is 0.1 mi off. Exposed here -- the nearest through road is 0.0 miles off. Thumb Butte stands 1,290 ft above the site, 2.0 miles west. Night skies measure Bortle 2 -- true dark-sky territory. The nearest town, Rio Rico, is 9.0 mi off.

September normals 59–89°F, 2.1″ rain. Monthly averages, PRISM 1991–2020.

Nearby Spots
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Fire restrictions

Set by Coronado National Forest, Nogales Ranger District. Stage 1 and 2 orders change within days -- check the current order before you build a fire.

fs.usda.gov
Sources checked August 2026Something wrong here?