Outdoors NearbyHot Sulphur Springs Resort & Spa
A small resort with 19 gravity-fed mineral pools on a hillside above the Colorado River in Grand County. The water is used without added chemicals. Hot Sulphur Springs Resort & Spa is open to day visitors for a fee.
| Access | Day passes for the public Walk-ins welcome for the public pools; private baths and massages by reservation. |
|---|---|
| Type | Hot springs resort, 19 pools |
| Location | Hot Sulphur Springs, CO Managed by Private operator Directions (approximate location; check the official map) |
| Water | 111 °F at the source (USGS/NOAA survey, 1980) |
| Prices | Adult: $30/35 (as written on the site) Child under 12: $16 Late entry adult (from 8:15 pm): $17 (7 days a week) Late entry child under 12: $12 Checked October 2026 on the operator's site |
| Hours | 8 am–10 pm daily; last walk-in 9:15 pm |
| Season | year-round |
| Reservations | not needed |
| Facilities | lodging, massage, private baths |
| Website | hotsulphursprings.com |
| Phone | (970) 725-3306 |
Best time to soak: Hot Sulphur Springs Resort & Spa
Hot Sulphur Springs Resort & Spa sits about 45 miles west of Boulder, CO; driving distance is a bit longer.
Soaking feels best when the air is cool. From October to April average highs near Hot Sulphur Springs stay at 26 to 57 °F, with nights down to 0 °F. Freezing nights from October to April mean icy steps and possible road closures; traction for your shoes helps.
| Month | High | Low | Rain days |
|---|---|---|---|
| Jan | 26 °F | 0 °F | 4 |
| Feb | 31 °F | 4 °F | 4 |
| Mar | 42 °F | 15 °F | 4 |
| Apr | 52 °F | 24 °F | 5 |
| May | 62 °F | 32 °F | 5 |
| Jun | 73 °F | 38 °F | 3 |
| Jul | 79 °F | 45 °F | 5 |
| Aug | 77 °F | 43 °F | 5 |
| Sep | 70 °F | 35 °F | 4 |
| Oct | 57 °F | 25 °F | 4 |
| Nov | 41 °F | 15 °F | 4 |
| Dec | 28 °F | 4 °F | 3 |
More to do nearby
- Granby Bark Park (dog park, 8 mi)
- Polhamus Park Skatepark (skatepark, 9 mi)
- Adams Falls (waterfall, 20 mi)
Pack for the hot springs
- Cold-day pick SUN CUBE hooded changing robe poncho Change in and out of a wet suit at a trailhead with no changing room, and stay warm after a winter soak. View on Amazon
- Earth Pak roll-top waterproof dry bag Keeps your phone, keys and dry clothes safe on wet rocks next to the pool. View on Amazon
- Battery-free floating water thermometer Check a pool before you get in. Natural springs can run hotter than they look. View on Amazon
We haven't tested these ourselves; we chose them by size and specs. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Check the current price on Amazon.
Other hot springs near Hot Sulphur Springs
- Radium Warm Springs Free
- Indian Hot Springs Day pass
- Eldorado Springs Pool Day pass
- Old Town Hot Springs Day pass
- Strawberry Park Hot Springs Day pass
- Yampah Spa Vapor Caves Day pass
- Glenwood Hot Springs Resort Day pass
- Iron Mountain Hot Springs Day pass
Waterfalls nearby
- Adams Falls (20 mi)
- Cataract Falls (20 mi)
- Cascade Falls (23 mi)
Sources
Access, prices and rules come from these official pages, checked October 2026. Hot springs close for weather, repairs or high water, so confirm before you go.
Something changed? Tell us.
Frequently asked questions
Do you have to pay at Hot Sulphur Springs Resort & Spa?
Adult: $30/35 (as written on the site), Child under 12: $16 and Late entry adult (from 8:15 pm): $17 (7 days a week), according to the operator as of October 2026. Prices change, so check before you go.
How hot is Hot Sulphur Springs Resort & Spa?
111 °F at the source (USGS/NOAA survey, 1980). Pool temperatures are usually lower than at the source and change with the season.
When is Hot Sulphur Springs Resort & Spa open?
8 am–10 pm daily; last walk-in 9:15 pm. year-round.
How far is Hot Sulphur Springs Resort & Spa from Denver?
About 64 miles from Denver in a straight line; the drive is longer.