Arizona Unit 35A — Logistics & Planning
Access, camping, weather, terrain, water, cell service, and nearest-town services.
Unit size
646.8 sq mi
Elevation
3,979–6,610 ft
Stock tanks
131
Total road miles
82
Elevation Profile
Min 3,979 ft Mean 4,967 ft Max 6,610 ft
Land Ownership Approximate
60% National Forest
15% BLM
8% State Trust
17% Private / Other
Season Weather
10-year monthly normals (Open-Meteo ERA5) at unit centroid (31.507°, -110.351°). Shaded rows indicate Arizona hunting seasons.
| Month | Avg High (°F) | Avg Low (°F) | Precip (in) | Precip |
|---|---|---|---|---|
| Jan | 61 | 30 | 0.8 | |
| Feb | 64 | 33 | 0.7 | |
| Mar | 70 | 38 | 0.5 | |
| Apr | 77 | 43 | 0.2 | |
| May | 85 | 51 | 0.2 | |
| Jun | 94 | 60 | 0.5 | |
| Jul | 91 | 63 | 3.6 | |
| AugSeason | 89 | 62 | 3.4 | |
| SepSeason | 86 | 57 | 1.5 | |
| OctSeason | 80 | 47 | 0.7 | |
| NovSeason | 69 | 37 | 0.6 | |
| Dec | 61 | 30 | 0.9 | |
Access & Roads
Road miles by type
Paved13.3 mi
Graded gravel29.1 mi
High-clearance38.2 mi
4WD / rough1 mi
Primary access points
- MapsAZ 90 @ unit boundaryPaved highway — all vehicles — Whetstone TI-Junction SR 80 Highway
- MapsAZ 90 @ unit boundaryPaved highway — all vehicles — State Route 90
- MapsAZ 82 @ unit boundaryPaved highway — all vehicles — Nogales-Tombstone Highway
- MapsAZ 82 @ unit boundaryPaved highway — all vehicles — Nogales-Tombstone Highway
- MapsAZ 82 @ unit boundaryPaved highway — all vehicles — Nogales-Tombstone Highway
- MapsAZ 82 @ unit boundaryPaved highway — all vehicles — Nogales-Tombstone Highway
🛻Named Roads & Trailer Ratings
| Road | Miles | Rating |
|---|---|---|
| FR 4780 | 9.5 | High-clearance |
| FR 4725 | 6.2 | High-clearance |
| AZ 82 | 5 | Paved (all rigs) |
| AZ 83 | 4.8 | Paved (all rigs) |
| FR 799 | 3.4 | High-clearance |
| Elgin Canelo Road | 3.3 | Graded gravel (2WD / small trailer) |
🚐Developed Campgrounds & RV Sites
11 campgrounds inside the unit polygon (OSM + Recreation.gov RIDB). Max Trailer is from RIDB site attributes; "—" means no RIDB record.
| Campground | Max Trailer | Reserve | Phone | Source | |
|---|---|---|---|---|---|
| Ramsey Vista Campground | — | — | — | OSM | Maps |
| Reef Townsite Campground | — | ✅ | — | OSM+RIDB | Maps |
| Lakeview Campground | RV-friendly | ✅ | — | OSM+RIDB | Maps |
| Canyon Camping | — | — | — | OSM | Maps |
| Canyon Camping | — | — | — | OSM | Maps |
| Canyon Camping | — | — | — | OSM | Maps |
| Unnamed camp site | — | — | — | OSM | Maps |
| Unnamed camp site | — | — | — | OSM | Maps |
| Unnamed camp site | — | — | — | OSM | Maps |
| Reef Townsite Campground | Tent only | — | — | OSM | Maps |
| Hereford Trailhead | — | — | 520-258-7200 | RIDB | Maps |
Water Availability
1451
Streams / Rivers
7
Lakes / Reservoirs
131
Stock Tanks
32
Springs
Cell Coverage Approximate
Verizon26%
AT&T17%
T-Mobile9%
Nearest Towns & Services
Pro: Waypoint bundle for Arizona Unit 35A
Access points, campgrounds, towns, and 131 stock-tank pins as GPX/KML.
Unlock Pro Waypoints →
Data generated 4/14/2026 · Validation: ✅ passed · ← Back to Unit 35A overview