Hot Well Dunes is a hot spring in the San Simeon Valley of Arizona, located on BLM land southeast of the town of Safford.

[2] There are two main soaking pools surrounded by a low metal fence and gate, cement benches; pit toilets are available on site.

[4][5] There are also more primitive soaking areas on-site surrounded by cattails that also provide habitat for wildlife and fish.

[4] The hot springs were discovered in the late 1920s in this remote area as a during an oil exploration drilling operation.

[5] The geothermally heated mineral water emerges from the source at a temperature of 106 °F at a rate of 250 gallons per minute.