Splashland Hot Springs
- Call for prices
- 88–96°F
- 4 hr 24 min from Denver
- Walk-in OK
A large outdoor geothermal swimming pool about a mile north of Alamosa, open in summer since 1955. Water enters at 102°F and averages around 88-96°F across the pool. It is geared to families, with slides, a diving board and lap lanes.
- Price
- Call for prices
- Water
- 88–96°F
- Nearest town
- Alamosa
- From Denver
- 4 hr 24 min
- Reservations
- Walk-in OK
Plan your visit
Hours & season
| Hours |
|
|---|---|
| Season |
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Tickets & booking
| Price |
|
|---|---|
| Access | Day pass, walk-ins welcome |
| Booking |
|
On site
| Pools | 1 |
|---|---|
| Lodging | No |
Not stated by the venue: swimwear, ages, 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
311 mg/L
Lightly mineralized · Sodium–sulfate (sodium sulfate water)
- pH
- 8.3
- Temp at source
- 105°F
- Fluoride
- 4.2 mg/L
- Boron
- 0.34 mg/L
- Iron
- 0.02 mg/L
Lab analysis of the source water at a USGS sampling site, sampled 1975 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 |
|---|---|
| Main poolLarge pool, half shallow and up to 10 ft deep at the diving board; three slides and lap lanes | 88–96°F |
As published by the venue. Temperatures shift with the seasons and the weather.
Facilities
- Changing rooms: yes
- Lockers: yes
- Food on site: yes
| Bring your own alcohol | Not allowed |
|---|---|
| Glass containers | Not allowed |
| Good to know | Per a 2018 Gazette report: suits required, outside food and drinks allowed, no alcohol, no glass |
What's here
- large 1955 geothermal swimming pool
- three water slides
- diving board
- lap lanes
- swim lessons
- concession stand
Getting there
- From Denver4 hr 24 min232 mi
- From Alamosa (ALS)12 min5 mi
Typical driving time without traffic or snow.
| Elevation | 7,548 ft |
|---|---|
| Road |
|
Things to do near Alamosa
Alamosa National Wildlife Refuge
Rio Grande wetlands east of town with a wildlife drive, Malm Trail and Bluff Overlook
Great Sand Dunes National Park & Preserve
Tallest dunes in North America, northeast of Alamosa via Mosca
Campgrounds
- KOA Alamosa3.4 mi
- Ramble at Great Sand Dunes6.5 mi
- Base Camp Family Campground6.9 mi
- Mosca Campground14.6 mi
Straight-line distances. Campground and trailhead data © OpenStreetMap contributors.
Nearby springs
Sand Dunes Recreation
A family pool complex near Hooper in the San Luis Valley, fed by a 118°F artesian well first struck during 1930s oil drilling. Alongside the main pools it has an adults-only greenhouse soaking area, a restaurant and bar, and campsites and cabins. The whole facility closes on Thursdays for cleaning.
Joyful Journey Hot Springs Spa
A spa retreat near Moffat in the San Luis Valley, built on the historic Mineral Hot Springs site, with three main pools held at 98, 104 and 108°F plus jacuzzis and a cold plunge. Lodging ranges from hotel rooms to yurts, tipis and campsites. Leashed dogs are welcome on the grounds but not in the pool area.
Valley View Hot Springs
Natural ponds and pools on a hillside above the San Luis Valley, run as a nonprofit by the Orient Land Trust. The whole property is clothing-optional and family-friendly, and daily visitor numbers are capped, so reservations by phone are needed. Cabins and campsites are available, and leashed pets are allowed on camping and day-pass reservations for a fee.
Sand Dunes Recreation: 20 mi · Joyful Journey Hot Springs Spa: 47 mi · Valley View Hot Springs: 49 mi
Sources (7)
· 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.