
Typical low summer flows on the Sun River near Augusta, MT
Photo by Laura Ziemer, Trout Unlimited
On the arid Rocky Mountain Front, water scarcity is a constant. The Sun River flows 70 miles from its headwaters in the Bob Marshall Wilderness out of the Rocky Mountain Front to join the Missouri River outside the town of Great Falls, Montana. Although rugged in its mountain beauty, it is often called “next-year country,”…
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