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Helena Valley Reservoir — Helena Valley Regulating Reservoir
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Nat'l Recreation Area
Nat'l Recreation Area

Helena Valley Reservoir

Montana · MT

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We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this park using the links above before you go — you are responsible for compliance. Last verified by us: May 20, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

About

Imported description
The Helena Valley Unit is in central Montana, adjoining the city of Helena, Montana, and 3.5 miles west of Canyon Ferry Dam on the Missouri River. The principal purposes of the unit are irrigation and municipal water for the city of Helena. Features of the development are a tunnel, dam and regulating reservoir, canal, pumping plant, and other facilities. Created by Helena Valley Dam the reservoir, with 518 water surface acres, 477 land acres and 6 miles of shoreline, offers fair fishing for kokanee salmon. Picnic shelters available. Boating is non-motorized only.

Source: recreation.gov

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Hunting in this park

Hunting is generally prohibited in this National Park Service unit

Verify current park-specific rules with the National Park Service before planning any hunt. See NPS regulations

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