Hot Well Dunes Recreation Area
Near Safford, Arizona, United States
A BLM recreation area in the San Simon Valley where a 1928 oil test well that struck hot water fills two soaking tubs beside about 2,000 acres of open OHV dunes.
Photo: BLMArizona (Public domain). Resized and cropped for this page.
- Water temperature
- 106°F41°C
- Entry
- Paid
- Getting in
- Drive-up
- Type
- Public pool
- The water comes from an artesian well drilled in 1928 by an oil exploration crew that hit hot water instead of oil.
- Entry is $3 per vehicle per day, and camping is included in that fee.
- Roughly 2,000 acres of dunes are open to sand rails, ATVs, dirt bikes and 4WD trucks inside the fenced riding area.
- BLM is relocating the tubs away from flood damage as part of upgrades scheduled to finish on January 26, 2027.
What to expect
Hot Well Dunes is not a natural hot spring. It is a well. In 1928 a crew drilling for oil in the San Simon Valley struck hot artesian water instead, and it has flowed ever since. DesertUSA puts the flow at more than 250 gallons a minute. The Bureau of Land Management took over the land in a 1985 exchange with the State of Arizona and now runs it as the Hot Well Dunes Recreation Area, about 35 miles southeast of Safford and 20 miles north of Bowie.
The water is piped into two hot tubs. BLM says it reaches 106°F41°C, which is hot enough that most people sit on the edge between dips. The tubs sit inside a railed area near the toilets, closed to vehicles and marked with post and cable, with open desert and dunes around them. Small cattail-lined ponds nearby hold fish and draw birds and other wildlife, and they have their own railings too.
The other half of the place is sand. Around 2,000 acres of dunes, which Recreation.gov describes as an old lakeshore beach, are open to off-highway vehicles. On a busy weekend you soak to the sound of sand rails and quads. On a weekday in January you may share the tubs with one or two campers. Elevation is about 3,400 feet, so winter nights get cold, which is when the tubs are at their best.
How the tubs work matters for planning. BLM says the pump is off overnight and the tubs drain each night, then refill in the morning. It lists them as typically full an hour after sunrise and an hour before sunset, and notes that cloudy skies can reduce the water supply. Do not count on a midnight soak.
Changes in 2026 and 2027
BLM announced on May 28, 2026 that Great American Outdoors Act money will pay for repairs and upgrades here, with work running from the week of June 1, 2026 until January 26, 2027. The project upgrades camping areas, finishes a campground host site, improves roads and walkways, and relocates the hot tubs to keep them out of the way of floods. A 2024 BLM business plan put the project at about $5.18 million and said it would also restore water systems, improve wildlife habitat and repair the main access road.
The recreation area stays open during the work. BLM warns that trash bins, vault toilets and developed campsites may be affected at times, and asks visitors to keep clear of active construction. Because the tubs themselves are being moved, call the Safford Field Office at 928-348-4400 before you drive out, and ask whether both tubs are filled.
Getting there
The site is remote, and every route ends on a long dirt or gravel road.
- From Safford: Drive 7 miles east on US 70, turn right (south) onto Haekel Road, and follow it about 25 miles to the recreation area. BLM puts the whole trip at about 35 miles. Older DesertUSA directions say 9 miles on US 70; watch for the Haekel Road sign.
- From Bowie and I-10: From Bowie, go north on Central Avenue about 2 miles to Fan Road. Recreation.gov then routes you 1 mile east, 1 mile north on Donahue, 6 miles east on Rosewood to Haekel Road, and 9 miles north on Haekel.
- From US 191: Tanque Road leaves US 191 near milepost 105 and also reaches the area.
BLM says most vehicles can make it, including RVs and passenger cars, but the road can be rough. Drive slowly, especially after rain. There is no fuel or water out here, so fill up in Safford or Bowie.
When to go
Use is heaviest from fall through spring. BLM vehicle counts for 2023 put February at the top, followed by November, March, January and April, with peaks during Thanksgiving and Easter weeks. Holiday weekends bring big groups of OHV riders and toy haulers.
Summer is extremely hot in the San Simon Valley, and shade is scarce. A 106°F41°C tub on a 105°F41°C afternoon is not much fun. Monsoon storms from July to September can also make Haekel Road muddy or wash it out in places. The sweet spot is a weekday between late October and early April, arriving mid-morning once the tubs have filled.
Rules and fees
- Fee: $3 per vehicle per day, paid on site, with camping included. A $30 annual pass is sold at the Safford Field Office, 711 S. 14th Avenue. A 2024 draft business plan proposed turning this into an individual special recreation permit at $15 per vehicle and $80 a year, with Senior and Access pass holders getting half off. BLM’s own page still listed $3 in October 2026.
- Clothing: Public nudity is prohibited, and BLM names the hot tubs in that rule.
- Weapons: Firearms, BB and pellet guns, and archery are banned in the recreation area.
- Pets: Leashed or otherwise restrained.
- OHVs: Inside the fenced dune area, anything goes, from sand rails to 4WD trucks. Outside the fence, stay on existing roads and trails. OHVs need a whip flag at least 6 by 12 inches mounted 8 feet up and a valid Arizona OHV decal (nonresidents need the nonresident decal). The speed limit is 10 mph on and within 50 feet of the main access road, and near campsites and groups. No OHVs inside the railed areas.
- Waste: Dumping sewage or gray water is prohibited. Pack out your trash, particularly while bins may be out of service.
Where to stay nearby
Most people camp here. BLM lists about 10 developed tent and RV sites, some with picnic tables and fire rings, and allows camping in any undeveloped spot outside parking lots, posted zones and the railed tub and pond areas. The stay limit is 14 days in any 28. There is no drinking water, electricity or phone service on site, and firewood is scarce, so bring your own.
For a roof, Safford is the closest town with motels, groceries and restaurants. South of town, the private tubs at Kachina Mineral Springs Spa and Essence of Tranquility are roughly 40 miles from the dunes by road, and Essence of Tranquility rents casitas and tent sites. Roper Lake State Park has a campground just off US 191 south of Safford. Bowie and Willcox, on I-10, have limited services.
Safety notes
- Heat: 106°F41°C water raises your core temperature fast. Keep soaks short, drink plenty of water and get out if you feel lightheaded. BLM says the water may be too hot for young children, who need close supervision.
- Water quality: The tubs are fed by untreated well water and shared by many people. Keep your head above the water and skip the soak if you have open cuts.
- Vehicles: Riders crest dunes blind. Stay out of the riding area on foot, keep kids close to camp, and watch the 10 mph limit near campsites.
- Remoteness: It is a long way to help. Carry extra water, a spare tire and a full tank, and tell someone your plans.
- Summer: Shade is limited and daytime heat can be dangerous from May to September.
Map and nearby springs
GPS: 32.52369, -109.42659
Hot Well Dunes Recreation Area: common questions
How much does it cost to visit Hot Well Dunes?
BLM lists a fee of $3 per vehicle per day, paid on site, and the same fee covers camping. Vehicles in tow do not pay. An annual pass costs $30 from the Safford Field Office. A draft BLM business plan from 2024 proposed raising the daily fee to $15 and the annual pass to $80, so check the current rate before you go.
How hot are the tubs at Hot Well Dunes?
BLM says the water reaches 106°F41°C. The tubs are fed directly from the well, so the hottest water is near the inflow. BLM warns that the water may be too hot for young children and that people with serious medical conditions should check with a doctor first.
Are the Hot Well Dunes tubs open during the 2026 construction?
BLM says the recreation area stays open while Great American Outdoors Act work runs from June 2026 to January 26, 2027, but toilets, trash service and developed campsites may be affected at times. The work includes moving the hot tubs to avoid flood damage, so call the Safford Field Office at 928-348-4400 to confirm the tubs are filled before a long drive.
Can you camp at Hot Well Dunes?
Yes. There are about 10 developed tent and RV sites, some with a picnic table and fire ring, and you can camp almost anywhere else in the area except parking lots, posted zones and the railed areas around the tubs and wildlife ponds. The stay limit is 14 days in any 28-day period. There is no drinking water or electricity.
Is nudity allowed in the Hot Well Dunes hot tubs?
No. BLM rules prohibit public nudity at the recreation area, and the rule names the hot tubs specifically. Bring a swimsuit.
Can I drive a regular car to Hot Well Dunes?
Usually. BLM says all vehicle types can generally reach the site, but Haekel Road is long and can be rough, so drive slowly. The usual route is 7 miles east of Safford on US 70, then about 25 miles south on Haekel Road.
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Sources we checked (6)
- blm.gov/visit/hot-well-dunes
- blm.gov/announcement/blm-improve-amenities-and-access-hot-well-dunes-recreation-area
- blm.gov/sites/default/files/docs/2024-09/Public%20Room_Arizona_BLM%20Safford%20Field%20Office%20and%20Gila%20Box%20Riparian%20National%20Conservation%20Area%20Recreation%20Fee%20Sites%20and%20Areas%20Business%20Plan_September%202024_0.pdf
- desertusa.com/OHV/du_ohv_hotwell.html
- recreation.gov/gateways/2034
- nominatim.openstreetmap.org/search