South Twin Lake

View of channel connecting North Twin and South Twin Lakes (9/20/95)

• T32N R35E Sec.15,16,21,22,23

• Elevation 2572 feet

• Surface area 1020 acres

• Volume 34200 acre-ft

• Drainage area 36.9 sq. miles

• Watershed Inchelium

• Shore Line 6.41 miles

South Twin Lake is a freshwater dimictic, eutrophic lake connected to North twin Lake by a shallow channel. The lake is surrounded by forested slopes and agricultural land. The drainage area is used for cattle grazing. On the eastern shore are numerous cabins and three resorts. South Twin Lake receives water from South Twin Inlet. The outflow is through the spillway channel into Stranger Creek. The lake supports abundant growths of aquatic macrophytes.

South Twin Lake is a popular fishery with a similar fish assemblage to that found in North Twin Lake. Rainbow and brook trout are popular game fish and are abundant in the lake. Largemouth bass, golden shiners, redside shiners, and bridgelip suckers are also present. The following link contains a summary of the 2003 South Twin Lake fishery sampling period.