Garrison Dam Power Plant Tours

Sakakawea Lake

The Garrison Dam was completed in 1954 and holds back the waters of the Missouri River creating the third largest manmade reservoir in the United States. The reservoir known as Lake Sakakawea is 178 miles long and up to 14 miles wide in places. The Garrison Dam itself is 2.5 miles long and 210 feet high and .5 miles wide at its base. The Garrison Power Plant is located directly below the dam on the West side. 

The Garrison Power Plant is one of the many Hydroelectric Plants owned and operated by the US Army Corps of Engineers along the main stem of the Missouri River System. Our Power Plant is 522 ft long, 163 ft tall, and 134 ft wide on offers 5 power generating turbines that feed power to homes across multiple states.

The Garrison Dam was completed in 1954 and holds back the waters of the Missouri River creating the third largest manmade reservoir in the United States. The reservoir known as Lake Sakakawea is 178 miles long and up to 14 miles wide in places. The Garrison Dam itself is 2.5 miles long and 210 feet high and .5 miles wide at its base. The Garrison Power Plant is located directly below the dam on the West side. 

The Garrison Power Plant is one of the many Hydroelectric Plants owned and operated by the US Army Corps of Engineers along the main stem of the Missouri River System. Our Power Plant is 522 ft long, 163 ft tall, and 134 ft wide on offers 5 power generating turbines that feed power to homes across multiple states.

Need to Know

Booking Windows

2022 Powerplant Tours Booking Windows and Schedule

Individual and family walk-in Hydroelectric Dam Tours are running from June 2, 2022 through September 3, 2022 

Walk In Tours are available on Thursdays, Fridays, and Saturdays at 2:00 PM (CST) and on Saturdays at 10:00 AM (CST). 

Booking Window Open 7 days prior to the tour and closes 1 hour prior. All tickets must be received during the booking window, no on the spot tickets are offered. 

Energy Group Tours are available from June 2, 2022 through September 2, 2022

These group tours are available at a first come first served basis, on Thursdays and Fridays at 10:00 AM (CST)

Booking Window is open and closes 7 days prior to the tour date. 

School Group Tours are available from May 17, 2022 through June 1, 2022. 

These group tours are available on a first come first served basis, on Tuesdays, Wednesdays, Thursdays, and Fridays at 9:00 AM (CST) and 1:00 PM (CST). 

Booking Window is open and closes 7 days prior to the tour date. 

Changes and Cancellations

Charges and Cancellations

• Garrison Project Fees: Garrison Project field office doesn’t charge any fees for power plant tours, but the R1S service does charge associated cling fees for use of the reservation service.

• Cancellation fees: The R1S service may charge associated cancellation fees, but the Garrison Project does not.

Contact Information

Mailing Address

597 Garrison Dam Road Riverdale ND 58565

Phone Number

701-654-7411

Available Tours and Tickets

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