Twin Peaks Campground
Organ Pipe Cactus National Monument · Arizona · 208 sites
Photos: National Park Service via Recreation.gov
Overview
Twin Peaks Campground is a National Park Service campground in Organ Pipe Cactus National Monument, Arizona, with 208 sites in 4 loops. No shade: open sky at every site. AT&T reports coverage at every site; Verizon at 132 of 208; T-Mobile reports none.
0 of 208 sites shaded
208 of 208 sites in full sun
208 of 208 sites with clear sky
Map of the campground
Every site from the Recreation.gov listing. Choose a layer to see it across the campground; tap a site to open it in Roam.
Layers
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Questions
Which sites at Twin Peaks Campground are the shadiest?
None. Twin Peaks Campground is open sky — bring your own shade.
See the tree canopy in RoamWhich sites at Twin Peaks Campground get the most sun?
Plenty. All 208 sites are open to the south and the sky — easy for solar panels, and warm on cool mornings.
See the tree canopy in RoamWill Starlink work at Twin Peaks Campground?
Easy here. All 208 sites have open sky for a Starlink dish. Satellite texting on a phone needs less open sky, but still works best from the most open spot you can find. This is our estimate from tree heights — check with the Starlink app's obstruction check when you arrive.
See the tree canopy in RoamWhich sites at Twin Peaks Campground are the most level?
65 of 208 sites are flat, and 134 more have a gentle slope most RVs can level with blocks; 9 are steeper, better for tents. Sites that take RVs or trailers fit rigs up to 45 ft.
See the slope at each site in RoamDoes Twin Peaks Campground have cell service?
Mostly. AT&T reports coverage at every site; Verizon at 132 of 208 (it's missing in RV Non-Generator and TENT ONLY Non-Generator); T-Mobile reports none. That's the coverage each carrier reports to the FCC, not a measured signal, so under trees or below a ridge it can be weaker.
See the coverage map in RoamWhat’s the weather like at Twin Peaks Campground in October?
In October, expect highs around 89°F and lows around 58°F, with about 0.5 inches of rain over the month. Every month’s averages are in Roam Premium.
Open Twin Peaks in RoamCampground facts
- Sites
- 208 in 4 loops
- Kinds
- 170 for RVs or trailers · 34 tent-only · 4 group sites
- Hookups
- None
- Longest rig
- 45 ft
- Accessible
- 12 sites
- Elevation
- 1,686–1,715 ft
- Amenities
- Amphitheater, Drinking water, Dump station, Flush toilets, Showers, Trailhead access, Water spigots
- Every site
- Drive-in · Picnic table · Pets allowed · No campfires
- Managed by
- National Park Service
- Booking
- Reserve on Recreation.gov
How we know Sources and limits
Shade, sun and Starlink are our estimates from Meta and the World Resources Institute’s canopy-height model (about 2 m pixels, from satellite imagery calibrated with space lidar; CC BY 4.0). From 2 m above each site we trace 72 lines out to 60 m and note the tallest tree in each direction. Shade counts trees overhead, the canopy within 30 m and how much of the afternoon sky is blocked. Sun counts how open the southern sky is. Starlink needs open sky above 35°, with the northern half counted twice because US dishes tilt north, and we keep the best spot within 8 m of the site’s post. The model sees tree heights only, not trunks, buildings or hills, so check with the Starlink app when you arrive.
Slope is the ground at each site’s post over about 4 m, from USGS 3DEP 1 m lidar: level under 2%, gentle to 4% (most rigs level on blocks), sloped to 8% (fine for a tent), steep beyond.
Cell coverage is from the FCC Broadband Data Collection (carrier filings as downloaded May 2026): each site is tested against each carrier’s modelled outdoor 4G/5G coverage. It is what the carriers report, not a measured signal.
Weather is NOAA’s 1991–2020 climate normals for the campground. Sites and facts are from Recreation.gov’s open data (July 2026). Map imagery: USGS The National Map. Photos: Recreation.gov.
From the campground’s Recreation.gov listing: “Twin Peaks offers both group and single campsites. Campsites are available by reservation only . Same day reservations may be available. Reservations can be made up to 6 months in advance. Flush toilets and potable water are located within the campground. All campsites have picnic tables and charcoal grills. Restrooms have running water and restrooms 1,4 & 5 have solar heated showers . Water may not be warm on cloudy days, or early in the morning. Restrooms 3,4, and 6 are closed April-December . Site numbers 71-145 are closed April-December. Site numbers 1,7,15,17,21,178,183,187,193, and 203 have shade structures . No hookups available for electricity, water or sewer. Organ Pipe Cactus National Monument exhibits an extraordinary collection of plants and animals of the Sonoran Desert. This is a showcase for creatures who have adapted themselves to the extreme temperatures, intense sunlight, and little rainfall that characterize this Southwest region. Thirty-one species of cacti have mastered the art of living in this place, including the park's namesake and the giant saguaro.”
Page data as of October 15, 2026. Full source notes are in each layer’s info in the app.