Indian Hot Springs
Indian Hot Springs (also called Holladay Hot Springs) flows at 118°F, emerging just 165 feet from Hot Springs Road in Graham County near Pima. This roadside thermal spring offers exceptionally easy access to warm water at 2,800 feet elevation in the Sonoran Desert.
The spring sits in low Sonoran Desert terrain where saguaro, creosote, and palo verde dominate the sparse vegetation. Annual precipitation barely reaches 10 inches with minimal snowfall at 2.3 inches, creating intensely arid conditions. The roadside location means visitors encounter minimal hiking—approach directly from the parking area.
The spring offers roadside accessibility requiring minimal preparation beyond standard day-use supplies. Nearby Riggs Lake Campground sits 32.7 kilometers away among the cool alpine forests of the Pinaleno Mountains, providing striking climate contrast. Hot Springs Road provides direct vehicular access. The area suits brief thermal water visits during regional exploration.
Indian Hot Springs (Holladay Hot Springs) represents geothermal circulation through Sonoran Desert basement rocks. The 118°F temperature reflects moderate geothermal gradient in the region. The spring's dual naming reflects both historical indigenous use and historical settler place-naming patterns in Arizona.
The water at Indian Hot Springs contains 3200 mg/L total dissolved solids. It is notably rich in sulfate (traditionally used for skin conditions and inflammation), chloride (natural antiseptic with skin health benefits), and total dissolved solids (higher mineral concentration for therapeutic soaking).
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Overview Riggs Flat Lake is located at the end of Swift Trail, a road that winds along the top of the Pinaleno Mountains. It is a small picturesque lake, 11 acres in size, set in alpine forest and meadow. Its cold waters are stocked during the summer with rainbow, brown and brook trout, and anglers report that the fishing is usually good. Best baits for the rainbows are corn, cheese, garlic cheese, salmon eggs, and worms. The brown and brook trout are taken on artificial lures and flies as we...
Indian Hot Springs is road-accessible, so you can bring more gear. The water runs hot, so extra hydration is key. Bring sun protection for exposed soaking.
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