Carter Canyon (FR 21) in AZ -- Free Camping & Overnight Parking in Arizona

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Carter Canyon (FR 21) in AZ

Coronado NF, Santa Catalina Ranger District
7,864 ft
Maps
Overnight camping allowedEASY
VerizonWEAK
AT&TWEAK
T-MobileSTRONG
StarlinkGOOD

A 0.1-mile stretch of paved National Forest road in Pima County, AZ. The road serves Busch Spring.

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 0.1 miles in are maintained for passenger-car comfort. Paved the whole way in (0.1 miles). Climbs 90 ft over 0.1 miles -- sustained grades near 16%. Little level ground alongside -- few of the stretches measured have a flat spot to pull onto. Dead-end road -- no mapped turnaround; expect to back out or unhitch.

Radio Ridge stands 1,190 ft above the site, 1.0 miles west. Busch Spring lies 0.4 mi off. Night skies measure Bortle 3 -- a dark rural sky. The nearest town, Catalina, is 8.4 mi off.

September normals 52–70°F, 3.0″ rain. Monthly averages, PRISM 1991–2020.

Nearby Spots
Drill Site (FR 4060) in AZForest Road Road46.4miLas Cienegas National Conservation Area - Entrance in AZCampground46.6miMelendrez Pass (FR 165) in AZForest Road Road46.9miMaternity Well Group Site in AZCampground47.0miCieneguita BLM in AZCampground47.2mi
Fire restrictions

Set by Coronado National Forest, Santa Catalina 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?