Montana Fish Wildlife and Parks
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Bannack State Park


photo of repairing the boardwalk photo of old truck mired in mud photo of shovelling mud photo of repairing the bridge over the ditch on Hangman's Gulch

Bannack State Park

Flood Mitigation Project

Construction has begun to create a flood detention facility that will help protect Bannack from future flood damage.

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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 is building 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.

How will the project affect park visitors?

Open to the public  The townsite, campgrounds, group use area, and Birds Eye View Trail will all remain open during construction. Guided tours are still available, and Bannack Days will be held as scheduled July 15 and 16, 2017.

Parking   Visitors are advised to use the West Parking Lot and check in at the park visitor center upon arrival.

Closed areas   During construction, the project area and haul road, gallows, and a short section of trail will be closed to the public.

Construction traffic   Construction vehicles will travel through town to access the work zone. Please be cautious and stay on the wooden boardwalks when construction vehicles are on the road. Most of the construction traffic will be between 7am and 10am, Monday through Friday. There will be no construction on the weekends.

Montana’s Department of Administration’s Risk Management and Tort Division and Montana State Parks are funding the work. The project is expected to be completed by late summer 2017.

Thank you for your cooperation and patience during the project.

Map of Flood Mitigation Project

What to Expect

Text text text...The cleanup and repair is insured through the Department of Administration’s Risk Management and Tort Division. The cost of the cleanup and structural damage repair is not known at this time.

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  • Expect this....
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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.

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