Bear River Hot Springs
- From $15
- 85–105°F
- 5 hr 8 min from Boise
- Walk-in OK
Formerly Riverdale Resort, this family hot springs about five miles north of Preston has four pools. The Hot Tub runs about 105F and the 3.5-ft-deep Peanut Pool 85-95F year-round, while two Hydrotube slides and a Junior Olympic pool open Memorial Day to Labor Day. Lodging includes eight hotel rooms, three cabins, a condo and RV and tent sites.
Resort says renovations are ongoing; updates posted on its social pages.
- Price
- From $15
- Water
- 85–105°F
- Nearest town
- Preston
- From Boise
- 5 hr 8 min
- Reservations
- Walk-in OK
Plan your visit
Hours & season
| Hours | Fall: Mon-Thu 9am-10pm, Fri-Sat 8am-11pm, Sun 8am-7pm |
|---|---|
| Season |
|
Tickets & booking
| Price |
|
|---|---|
| Access | Day pass, walk-ins welcome |
| Booking |
|
Rules
| Ages | Hot tub not recommended for small children |
|---|
On site
| Pools | 4 |
|---|---|
| Lodging | Yes |
Not stated by the venue: swimwear, dogs.
Water temperature
Soaking-pool temperatures as published by the venue or land agency; they vary with season and flow.
Mineral profile
Total dissolved minerals
1,110 mg/L
Moderately mineralized · Sodium–chloride (salty, brine-like water)
- pH
- 7.3
- Temp at source
- 112°F
- Fluoride
- 10 mg/L
Lab analysis of the source water at “14s 39e 36ada1”, sampled 1972 by the USGS and partners (data). Pool water may be cooled, mixed or treated, and spring chemistry is generally stable over decades. We report measurements only; we don't make health claims.
The pools
| Pool | Temp | Depth | Setting |
|---|---|---|---|
| Hot TubSmall, partially enclosed; hottest pool. Not recommended for small children. | 105°F | — | Covered |
| Peanut PoolLarge mineral pool open all year. | 85–95°F | 3.5 ft | Outdoor |
| Hydrotube Water Slides poolTwo enclosed slides over 60 ft; Memorial Day-Labor Day. | — | — | Outdoor |
| Junior Olympic Pool3.75-10 ft deep with 1 m diving board; Memorial Day-Labor Day. | — | 10 ft | Outdoor |
As published by the venue. Temperatures shift with the seasons and the weather.
What's here
- Hot Tub mineral pool about 105F (partially enclosed)
- Peanut Pool 85-95F, 3.5 ft deep
- two enclosed Hydrotube slides (summer)
- Junior Olympic pool with diving board (summer)
- hotel rooms, cabins, condo
- RV and tent sites
- formerly Riverdale Resort
Getting there
- From Boise5 hr 8 min309 mi
- From Pocatello1 hr 22 min73 mi
- From Pocatello (PIH)1 hr 34 min83 mi
Typical driving time without traffic or snow.
| Elevation | 4,556 ft |
|---|---|
| Road |
|
Things to do near Preston
Maple Grove Hot Springs
Riverside stone soaking pools on the Bear River at Oneida Narrows, about 12 miles away.
Trailheads
- Worm Creek Trailhead6.1 mi
- Albert Moser Trailhead7.5 mi
- Marijuana Flat Trailhead8.7 mi
- Sugar Creek Trailhead8.9 mi
Straight-line distances. Campground and trailhead data © OpenStreetMap contributors.
Nearby springs
Maple Grove Hot Springs
A 45-acre off-grid retreat on the Bear River at the north end of Oneida Narrows Reservoir. Six soaking pools, including three circular stone pools and a creek pool, run about 100-107F, fed from source ponds over 160F that are off-limits. Day visitors book 3-hour blocks; the site is alcohol-free, swimwear is required and pools go silent after sundown.
Downata Hot Springs
A family resort south of Downey built around a 112F spring that gravity-feeds a 1929 flow-through recreation pool and separate unchlorinated hot soaking pools. Summer adds water slides, a hot tub and a water playground. Lodging ranges from yurts and cabins to large houses and a campground.
Belmont Hot Springs RV Park
An RV park near Garland in Box Elder County built around two natural hot spring lakes, listed at 97°F and 104°F and also known as Udy Hot Springs. A hot springs access pass is sold to non-campers, and scuba diving is offered October through May by reservation. Pets are welcome in the park but not in the springs.
Maple Grove Hot Springs: 12 mi · Downata Hot Springs: 20 mi · Belmont Hot Springs RV Park: 27 mi
Sources (8)
· checked November 2026
Prices, hours and rules are checked against the official site and land-agency pages. Spot something out of date? Let us know.