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Shonkin in Chouteau County, Montana — The American West (Mountains)
 

Sulphur Spring: Healing Waters

 
 
Sulphur Spring: Healing Waters Marker image. Click for full size.
Photographed by Barry Swackhamer, July 26, 2025
1. Sulphur Spring: Healing Waters Marker
Inscription. On June 16, 1805, Captain Lewis, returning from his reconnoiter of the falls, rejoined Captain Clark downriver from here and "found the Indian woman extreemly ill and much reduced by her indisposition." Having walked by this spring earlier, Lewis suspected its medicinal water might help the ailing Sacagawea. Lewis dispatched several men to "procure the water of the Sulpher spring, the virtures of which I [Lewis] now resolved to try on the Indian woman."

Sacagawea's Health Trouble Both Captains
Were they worried about her survival and that of her infant son? Was her "being our only dependence for a friendly negociation with Snake Indians on whom we depend for horses to assist us in our portage from the Missouri to the columbia River" their main concern?
The answer remains a mystery, as does the medicinal value of the mineral waters. However, within one day of drinking the water, a relieved Lewis reported "there is every rational hope of her [Sacagawea's] recovery."
What might have been the fate of the expedition had Sacagawea not recovered?

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For thousands of years Indians valued the healthful qualities of the sulphur water. They camped near its source, no doubt drinking and soaking in the southing waters
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In 1886, local residents lauded its medicinal value in the Great Falls Tribune reporting ",,,this place has become a favorite resort for the sick ...an effective cure for many ills."

 
Topics and series. This historical marker is listed in these topic lists: Indigenous Peoples and CommunitiesScience & MedicineWaterways & VesselsWomen. In addition, it is included in the Lewis & Clark Expedition series list. A significant historical date for this entry is June 16, 1805.
 
Location. 47° 35.876′ N, 111° 3.186′ W. Marker is in Shonkin, Montana, in Chouteau County. It can be reached from Morony Dam Road near Sulphur Springs Road. The marker is at the end of the Sulphur Springs Trail, 1.8 miles from the from the trailhead located near the end of Morony Dam Road. Touch for map. Marker is in this post office area: Highwood MT 59450, United States of America. Touch for directions.

Regionally, this marker is in Central Montana, in Missouri River Country, and specifically in Russell Country. It is also in the American Mountain West and in the Lewis & Clark Corridor. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once Rupert’s Land and also the Louisiana Purchase.

Other nearby markers. At least 8 other markers are within 4 miles of this marker, measured as the crow flies: Portaging Across the Prairie (within shouting distance of this marker); Walking Sacred Ground (about 800 feet away, measured in a direct line); Flowing Free for Miles (approx. one mile away); Land of Many Uses / Sulphur Springs Hiking Trail / Lewis and Clark Reach the Rapids (approx. 1.2 miles away); Lewis and Clark Passed Here
Sulphur Spring: Healing Waters Marker image. Click for full size.
Photographed by Barry Swackhamer, July 26, 2025
2. Sulphur Spring: Healing Waters Marker
(approx. 3.6 miles away); Great Falls of the Missouri River (approx. 3.6 miles away); From Water Comes Power (approx. 3.7 miles away); It's All Geometry (approx. 3.7 miles away). Touch for a list and map of all markers in Shonkin.
 
Regarding Sulphur Spring: Healing Waters. I am not convinced that the sulphur water cured Sacagawea, but the prospect of drinking more of the stuff did.
 
Sacagawea Sulphur Spring image. Click for full size.
Photographed by Barry Swackhamer, July 26, 2025
3. Sacagawea Sulphur Spring
Sacagawea Sulphur Spring image. Click for full size.
Photographed by Barry Swackhamer, July 26, 2025
4. Sacagawea Sulphur Spring
Sacagawea Sulphur Spring image. Click for full size.
Photographed by Barry Swackhamer, July 26, 2025
5. Sacagawea Sulphur Spring
 
 
Credits. This page was last revised on August 27, 2025. It was originally submitted on August 27, 2025, by Barry Swackhamer of Brentwood, California. This page has been viewed 102 times since then and 23 times this year. Photos:   1, 2, 3, 4, 5. submitted on August 27, 2025, by Barry Swackhamer of Brentwood, California.
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Jun. 6, 2026