# Iron Mountain Hot Springs, Colorado

Iron Mountain Hot Springs in Colorado. Roadside. Garfield County.

- Page: https://www.soakingsprings.com/hot-springs/colorado/iron-mountain-hot-springs
- Source: Soaking Springs, researched and maintained by Armen Suny
- Updated: 2026-09-14

## Can you soak at Iron Mountain Hot Springs?

Yes. Iron Mountain Hot Springs is a developed hot spring with pools from 89 to 108°F. A day pass costs $43 as of October 2026.

## Key facts

| Fact | Value |
|---|---|
| Source water temperature | Unknown (USGS record; developed pools are often cooled) |
| pH | 8.5 (Slightly Alkaline) |
| Total dissolved solids | 22,000 mg/L |
| Elevation | 5,740 ft |
| Access | Roadside, 39 ft from the nearest road |
| County | Garfield County |
| Nearest town | Glenwood Springs |
| Coordinates | 39.55530, -107.33620 |
| Nearest campground | Thompson Creek Campground, 16.3 mi |

## Plan your visit

| | |
|---|---|
| Type | Developed pools |
| Cost | $43 day pass. Select Access (family) $43-$75, Premier Access (21+) $75-$150; online $5 cheaper than walk-in; price year not stated |
| Hours | 9am-10pm daily |
| Season | Year-round |
| Pool temperature | 89–108°F |
| Ages | none (Select); 21+ (Premier) |
| Getting there | roadside, east Glenwood Springs |
| In winter | plowed (Glenwood Springs) |
| Operator | Iron Mountain Hot Springs, https://www.ironmountainhotsprings.com/ |

Checked October 2026. Sources: https://www.ironmountainhotsprings.com/, https://www.ironmountainhotsprings.com/pricing-hours

## About Iron Mountain Hot Springs

Iron Mountain Hot Springs is a hot springs resort on the banks of the Colorado River in Glenwood Springs, Garfield County, right in town. No temperature is on file for this record, so the page cannot say how hot the pools run. What the 1965 USGS sample does show is extremely salty water, with dissolved solids in the tens of thousands of milligrams per liter, and an alkaline pH.

The river and the road are both right there; the record puts the source within a few dozen feet of the road. Glenwood Springs sits at mid elevation. Snow is heavy, around eight and a half feet a year, with moderate rain. Thompson Creek Campground is the closest camp on file, about sixteen miles out. Land owner and designation are blank.

Wikipedia describes Iron Mountain Hot Springs as a therapeutic natural hot springs resort on the Colorado River in Glenwood Springs. The USGS chemistry sample dates to October 1965.

no best months is on record for this one. Fee and hours are absent from the record, as is any current pool temperature, so ask the resort. The chemistry reading is sixty years old and describes the source, which may bear no relation to what is in a pool. Thompson Creek Campground, sixteen miles.

## Water chemistry

Lab sample from 1965-10-10 (Water Quality Portal).

| Measure | Value |
|---|---|
| pH | 8.5 |
| Total dissolved solids | 22,000 mg/L |
| Calcium | 753 mg/L |
| Magnesium | 138 mg/L |
| Sodium | 7,150 mg/L |
| Sulfate | 2,210 mg/L |
| Chloride | 10,500 mg/L |

Records this spring holds:
- Most minerals of Colorado's 15 springs with a dissolved minerals reading: 22,000 mg/L
- Hardest water of Colorado's 48 springs with calcium and magnesium readings: 2,449 mg/L

## Nearby

- Nearest city page: [Hot springs near Glenwood Springs](https://www.soakingsprings.com/hot-springs/near/colorado/glenwood-springs), 1 mi away
- State page: [Hot springs in Colorado](https://www.soakingsprings.com/hot-springs/colorado)
- [Glenwood Springs, CO](https://www.soakingsprings.com/hot-springs/colorado/glenwood-springs): 124°F source, pH 6.7, Roadside, near Glenwood Springs, Garfield County, developed pools, $42 day pass, year-round
- [Yampah Hot Springs Vapor Caves, CO](https://www.soakingsprings.com/hot-springs/colorado/yampah-hot-springs-vapor-caves): Roadside, near Glenwood Springs, Garfield County, developed pools, pools 110–112°F, day pass, year-round
- [South Canyon Hot Springs, CO](https://www.soakingsprings.com/hot-springs/colorado/south-canyon-hot-springs): 118°F source, pH 7.3, TDS 778 mg/L, Roadside, near Glenwood Springs, Garfield County, primitive pools, pools 100–112°F, free, year-round
- [Dotsero Warm Springs, CO](https://www.soakingsprings.com/hot-springs/colorado/dotsero-warm-springs): 90°F source, pH 7.0, Roadside, near Gypsum, Eagle County
- [Avalanche Ranch Hot Springs, CO](https://www.soakingsprings.com/hot-springs/colorado/avalanche-ranch-hot-springs): pH 8.6, Roadside, near Carbondale, Garfield County, developed pools, $34 day pass, year-round
- [Penny Hot Springs, CO](https://www.soakingsprings.com/hot-springs/colorado/penny-hot-springs): 133°F source, pH 7.4, Short Walk, near Carbondale, Garfield County, primitive pools, free, year-round

## Questions

**Where is Iron Mountain Hot Springs located?**
Iron Mountain Hot Springs is located in Garfield County, Colorado at 5,740 feet elevation, near Glenwood Springs. Coordinates: 39.5553°N, 107.3362°W.

**How do I get to Iron Mountain Hot Springs?**
Iron Mountain Hot Springs has Roadside road access (39 ft from the road).

**Can I camp near Iron Mountain Hot Springs?**
Yes, Thompson Creek Campground is located nearby (16.3 miles away). No fee.

**What minerals are in the water at Iron Mountain Hot Springs?**
Water chemistry analysis shows the presence of pH, Total Dissolved Solids, Calcium, Magnesium, Sodium, Sulfate, Chloride. The pH is 8.5 (slightly alkaline). Total dissolved solids measure 22,000 mg/L.

## Sources

- USGS thermal springs records, Water Quality Portal lab analyses, OpenStreetMap, Wikipedia/Wikidata, NOAA climate normals
- https://en.wikipedia.org/wiki/Iron_Mountain_Hot_Springs