Detroit Lake is a reservoir impounded by the Detroit Dam on the North Santiam River 46 miles southeast of Salem, Oregon. The lake is adjacent to Oregon Route 22 near the city of Detroit.
The reservoir has a capacity of 455,000 acre feet of water when full and 281,600 acre feet in the summer when drawn down. Located in the North Santiam Canyon, the 9-mile long lake has shoreline of 32 miles when full.
Detroit Lake is stocked by the Oregon Department of Fish and Wildlife with 125,000 catchable rainbow trout along with fingerling rainbow, kokanee, and chinook salmon. A self-sustaining population of brown bullhead catfish also resides in the lake.