Lake Oahe Lake Oahe Lake Oahe (oh-WAH'-hee) is a large reservoir behind Oahe Dam on the Missouri River; it begins in central South Dakota and continues north into North Dakota in the United States. The lake has an area of and a maximum depth of . By volume, it is the fourth-largest reservoir in the US. Lake Oahe has a length of approximately and has a shoreline of . 51 recreation areas are located along Lake Oahe, and 1.5 million people visit the reservoir every year. The lake is named for the 1874 Oahe Indian Mission. Lake Oahe begins just north of
Quechee State Park Quechee State Park The Quechee State Park is located on US Route 4 in Quechee, Vermont. The park land is owned by the US Army Corps of Engineers and leased from by the State of Vermont. The park contains the Quechee Gorge, a popular Vermont tourist stop. The land was originally the site of the Dewey wool mill which ceased operation in 1952 and relocated to Enfield, New Hampshire. Shortly after the closing of the Mill the US Army Corps of Engineers acquired the property as part of its regional flood control plan. A hydroelectric dam sits at the north