Nimrod Hot Springs

## Overview Nimrod Hot Springs is a free-access natural hot spring located near the small community of Byrne, Montana, along the Drummond Frontage Road in Granite County. Situated at an elevation in the Clark Fork River valley, this geothermal feature sits in a region well known for its hot spring activity — the broader area between Drummond and Deer Lodge hosts several notable thermal water sources fed by deep geological faults in the Northern Rocky Mountains. The name "Nimrod" has historical roots in the area's mining and settlement era, when small communities and geographic features throughout western Montana were given colorful names by prospectors and early homesteaders. Hot springs in this part of Montana typically emerge along fault lines in the Boulder Batholith and associated geological formations, where groundwater is heated at depth and rises to the surface through fractured rock. Unlike many commercially developed hot springs in Montana, Nimrod Hot Springs has remained an informal, undeveloped soaking spot — making it appealing to visitors who prefer a more rustic, natural experience. Water temperatures at undeveloped Montana hot springs in this region can vary seasonally and by flow rate, so visitors should test the water carefully before entering. ## Directions 1. From **Drummond, Montana**, head east along **Interstate 90**. 2. Take the exit toward **Drummond Frontage Road** (also accessible from the south side of I-90). 3. Follow **Drummond Frontage Road** east, passing through the rural community of **Byrne**. 4. Continue to the **end of Drummond Frontage Road** — the hot springs are located at or near the road's terminus. 5. GPS coordinates: **46.7068, -113.4567**. Using these coordinates in a GPS or mapping app is recommended, as signage may be minimal or nonexistent. *Note: The access road is rural and may not be well-maintained in all seasons. A vehicle with decent clearance is advisable, especially during spring snowmelt or after heavy rain.* ## What to Expect Nimrod Hot Springs is an undeveloped, free natural hot spring — expect a primitive soaking experience with no facilities, restrooms, or maintained infrastructure. The spring is located in the scenic Clark Fork River valley, surrounded by open Montana rangeland and rolling hills typical of Granite County. Because this is an informal site, conditions can change. The soaking pool(s) may be user-built from rocks and may vary in size and temperature depending on recent weather and water flow. Hot spring temperatures in this part of Montana generally range from warm to quite hot at the source, cooling as water flows away — always check the temperature before getting in. The area is remote and quiet, offering a peaceful soak with mountain views. Visitors should pack out all trash and leave the site as they found it to help preserve access for future visitors. As with all natural hot springs, the water has not been treated or tested for public safety — soaking is at your own risk.