The creek flows generally north from its source upstream of Big Marsh, south of Crescent Lake on the eastern side of the Cascade Range.

[4] All of Big Marsh Creek and 10 miles (16 km) of Crescent Creek are parts of the National Wild and Scenic Rivers System.

[5][6][7] In turn, Crescent Creek is a tributary of the Little Deschutes River, of which 12 miles (19 km) in the same general area are also part of the national system.

[8] The upper reaches of Big Marsh Creek flow through the Oregon Cascades National Recreation Area.

This article related to a river in Oregon is a stub.