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Bannack State Park


photo of old truck mired in mud photo of moving dirt. photo of September progress photo of completed flood mitigation facitlity.

Bannack State Park

Flood Mitigation Project

Construction of the flood detention facility that will help protect Bannack from future flood damage is completed .

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In 2013 and 2017, flooding caused considerable damage to historic structures and natural resources, displaced artifacts, and created safety concerns. To mitigate future damage, Montana State Parks built a flood detention facility upstream of town which will hold flash flood waters and direct flows at a reduced rate into a storm drainage channel and aqueduct to the east of the townsite.

The project was a collaborative effort between Montana Fish, Wildlife & Parks (FWP) and the Montana Department of Administration’s Risk Management and Tort Defense Division. Pioneer Technical Services in Belgrade, MT produced the project design.

Bannack State Park is a National Historic Landmark and one of Montana’s best preserved ghost towns. Bannack is the site of Montana's first major gold discovery in 1862 and is Montana’s first territorial capital.

Thank you for your cooperation and patience during the project.


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