Helena Valley Reservoir

About Helena Valley Reservoir

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.

How to Get There

Adjoins city of Helena, the capital city of Montana.

Plan Your Visit to Helena Valley Reservoir

Heading to Helena Valley Reservoir? A few things to know before you go:

• Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
• Fees: day-use and camping fees vary; check current rates on the official park page
• Trash & pack-out: follow Leave No Trace principles
• Wildlife: store food in bear boxes where provided; never feed wildlife
• Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

References & Official Resources

• Official Recreation.gov page
• View on OpenStreetMap
• Driving directions (Google Maps)