Willow Beach, AZ
Arizona Hot Spring
A slot-canyon oasis in the Black Canyon where 111-120°F water cascades through three rock pools before spilling into the Colorado River. Reached by a strenuous 3-mile…
San Simon Valley · Safford, AZ
Hot Well Dunes
Day pass from $3day-use admission
1soak styles
Saffordlocation
San Simon Valleyregion
About these waters
An artesian well struck by 1920s oil drillers pumps 106°F water into two fenced concrete soaking tubs in the middle of 2,000 acres of BLM sand dunes. A surreal off-roader's oasis under some of the darkest skies in the state.
Amenities
✓camping
✓vault toilets
✓OHV trails
✓stargazing
Good to know
- Listing researched October 2026 — prices and hours change, always confirm with the spring before visiting.
- Hydrate between soaks and limit hot soaks to 15–20 minutes — mineral water dehydrates fast.
- Wild springs run on the honor system: pack out everything, leave the pool cleaner than you found it.
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Hot Well Dunes: FAQs
Do I need a reservation or permit to visit Hot Well Dunes?
No reservations — wild springs are first-come, first-served. Some trailheads require a parking pass or day-use fee, so check the listing details and current land-manager rules before you go.
What should I bring to Hot Well Dunes?
Swimwear and a towel, drinking water, a trash bag (pack out everything, including food scraps), and a headlamp if you're staying for sunset. Never bring glass near a wild spring — broken glass in a pool ruins it for everyone.
Is the water temperature reliable at Hot Well Dunes?
Wild spring temperatures shift with seasons, rainfall, and river levels — a pool that's perfect in October can be scalding or flooded in May. Test the water with a hand before getting in, and check recent trip reports for current conditions.
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