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…
Yes — Garrison Dam Power Plant Tours accepts reservations. Check the live availability calendar to see open dates and book.
See the map for Garrison Dam Power Plant Tours's exact location and directions.
Pick your dates on the availability calendar, then reserve through the official booking link. You can also set an alert and we'll notify you if a sold-out date opens up.