Brower's Spring, Natural spring in Centennial Mountains, Montana.
Brower's Spring is a natural water source in the Centennial Mountains that emerges from the ground at roughly 8,800 feet near the north fork of Hell Roaring Creek in southwestern Montana. The water flows from this remote mountainous area and begins a long journey through the landscape.
Surveyor Jacob V. Brower discovered this spring in 1888 and identified it as the highest source of the Missouri River watershed. He left a copper plate at the location to mark his discovery.
The spring represents a geographical milestone in understanding North American river systems as the highest source of the Missouri River watershed.
Access requires preparation for remote mountain conditions and difficult terrain, including crossing steep slopes below a ridge line. Visitors should bring weather-appropriate gear and navigation tools to safely travel in this isolated area.
The water flows through a complex system of multiple lakes and streams before merging into larger rivers that eventually reach a major waterway hundreds of kilometers away. This hidden source remains unknown to many despite being the origin of one of the continent's largest river systems.
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