Cow Crap Sink is a karst window with a spring vent and a siphon vent at each end of the round pond. It is located just off Manson Pike at the Diary Farm owned and operated by Middle Tennessee State University, in Rutherford County, in Murfreesboro, Tennessee.

National Association for Cave Diving, PO Box 14492, Gainesville, FL 32604, Telephone and Fax: 1-888-565-NACD (6223)