Evans Plunge Mineral Springs
- From $19
- 87°F
- 1 hr 10 min from Rapid City
- Walk-in OK
A city-owned indoor pool built over natural warm springs in 1890, holding about 87F year-round from springs that flow around 5,000 gallons per minute. It is a family swim center with slides, swing rings and two kids pools, and admission for ages 16 and up adds the hot tubs, sauna and steam room.
- Price
- From $19
- Water
- 87°F
- Nearest town
- Hot Springs
- From Rapid City
- 1 hr 10 min
- Reservations
- Walk-in OK
Plan your visit
Hours & season
| Hours |
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|---|---|
| Season |
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Tickets & booking
| Price |
|
|---|---|
| Access | Day pass, walk-ins welcome |
| Booking |
|
Rules
| Swimwear |
|
|---|---|
| Ages |
|
On site
| Lodging | No |
|---|
Not stated by the venue: 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
1,200 mg/L
Moderately mineralized · Calcium–sulfate (gypsum-type water)
- pH
- 7.1
- Temp at source
- 87°F
- Fluoride
- 0.80 mg/L
- Boron
- 0.26 mg/L
Lab analysis of the source water at “7s 5e13bccc”, sampled 1956–1994 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 | Setting |
|---|---|---|
| Main spring-fed poolNatural spring-fed pool with slides and swing rings. | 87°F | Indoor |
| Kids pools (2)kids | — | Indoor |
| Hot tubs (2)Part of the health club; ages 16+ alone, under 16 with an adult. | — | — |
| Outdoor poolSeasonal; opens at 11am. | — | Outdoor |
As published by the venue. Temperatures shift with the seasons and the weather.
Facilities
- Changing rooms: yes
- Lockers: yes
- Towel rental: yes
- Food on site: yes
- Restrooms: yes
- Sauna: yes
| Glass containers | Not allowed |
|---|---|
| Photos | Allowed |
| Good to know |
|
What's here
- spring-fed pool at about 87F year-round
- open since 1890
- city-owned
- Jet, Whale, Frog and outdoor slides
- swing rings
- 2 kids pools
- 2 hot tubs, sauna and steam room
- fitness center and classes
Getting there
- From Rapid City1 hr 10 min58 mi
- From Rapid City (RAP)1 hr 24 min64 mi
Typical driving time without traffic or snow.
| Elevation | 3,473 ft |
|---|---|
| Road |
|
Things to do near Hot Springs
The Mammoth Site
Working paleontological dig with Columbian mammoth fossils, in the town of Hot Springs
Cascade Falls (J.H. Keith Cascade Falls Picnic Area)
Forest Service picnic area and spring-fed swimming hole about 9 miles south on SD-71
Nearby springs
Moccasin Springs Natural Mineral Spa
An adults-only outdoor mineral spa in Hot Springs with two large natural-temperature pools around 88-93F and three hotter pools of heated spring water at 98-105F. Two-hour soak passes are pre-purchased online for a set time and often sell out. A barrel sauna, massage rooms and the Dragonfly Restaurant are on site.
Hobo Pool
A free, town-owned hot pool in Saratoga on the bank of the North Platte River, open around the clock. Carbon County lists the main pool at 101-110°F and the Lobster Pot at one end at about 120°F. Swimsuits are required, and alcohol, tobacco and glass are banned.
Saratoga Hot Springs Resort
A historic resort in Saratoga with a 70-foot mineral pool at about 96-98°F and small teepee-covered hot pools at about 100-112°F. The pools are for overnight guests and members, though any spa treatment includes day use. On site are a brewery and pub, a restaurant and a golf course.
Moccasin Springs Natural Mineral Spa: 1 mi · Hobo Pool: 218 mi · Saratoga Hot Springs Resort: 218 mi
Sources (10)
· 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.