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Home: Commercial: ID HS: South West Idaho: Roystone Hot Springs
  Commercial Hot Springs in Idaho

Roystone Hot Springs in South West Idaho

Hours/Season: Reservations ONLY: 5am -10pm Monday - Saturday ALL YEAR

Region: Emmett, Idaho (Sweet, Idaho)


Roystone Hot Springs RV and Event Center

Since the 1800s, Roystone Hot Springs has been sought out by settlers, soakers, old-time laundry scrubbers and Indians in nearby fish camps. Featuring geothermal springs naturally flowing at 143 degrees straight from the ground, Roystone has always been a favorite local hot spot.

Roystone Hot Springs Facilities

The 50' hot springs pool at Roystone is maintained at a comfy 98 degrees and is safe for babies and pregnant women. Open swim times are available or reserve the entire pool privately for a game of water basketball. Inquire about daily aerobics classes and weekly home school swimming.

Roystone additionally features a large jetted natural 104 degree hot tub that comfortably seats up to 12 people. Reserve a session after dark and enjoy a movie on the outdoor projector while you soak. Reserve along with the pool or separately.

Roystone is a FAMILY oriented party place for birthday parties, family reunions and campouts. Swim and then have cake in the party room or reserve our huge outdoor rec area which includes sand volleyball, a hot springs splash pad, picnic shelters and our fully loaded sports closet.

There is also a campground and RV park with full hook ups available including fire pits, picnic tables and a soon to be completed event center.

Roystone Hot Springs Hours

5am -10pm Monday Saturday ALL YEAR (closed Sundays)


Reservations are mandatory. Call 208.584.3371 or visit their website for current rates and reservations.

Roystone Hot Springs Pool Schedule (click to enlarge)

Roystone Hot Springs History

Through its many owners, Roystone Hot Springs has shown its amazing versatility. The fertile land around the mineral springs has been farmed using the warm water for irrigation. The fine vegetables, muskmelons and the orchard were known throughout the Boise Basin.

Later, locals worked to divert the many springs into one cemented catch basin and then built the same swimming pool still used at Roystone today. A photograph from 1909 shows long skirted women standing next to the pool with laundry barrels and a loaded down clothes line -catching up on work after a swim.

Roystone Hot Springs was then purchased by a man named Roy Stone. He and his nurse turned wife, Eva, purchased it hoping that the healing waters would improve his poor health. Sadly, before he was able to make the move from Portland, he died, leaving it to Eva and her son. She named it in his honor and then built a sanitarium open to all who wished to utilize the mineral springs for their health.

After 2 fires and several more owners, the neglected hot springs was purchased by the Johns Family in the early 80s. Major remodeling and reconstruction of the pool, main house (originally used as a sanitarium and hotel) and surrounding areas has made Roystone what it is today.

Roystone Hot Springs Directions

Located in Sweet, ID halfway between Emmett and Horseshoe bend and about 45 minutes from almost anywhere in the Treasure Valley.


7880 N. Hwy 52, Sweet, ID 83670

Roystone Hot Springs Map

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No Soap, Shampoo or BIO-Soap/Shampoo Allowed in Hot Springs! Avoid Being Fined!

Public hot springs are not bathing facilities and do not have 'plumbing' like that of commercial, improved hot springs. Soap and shampoo (including biodegradable soap and shampoo) do not completely breakdown naturally. This pollutes our water systems (ingested by fish, animals, humans) at or near the source. This is also illegal in most wilderness and public lands areas.

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