Deer Creek flows 159 miles through the Mississippi Delta, originating at Lake Bolivar in Bolivar County and winding through Washington, Sharkey, and Issaquena counties before entering Warren County near Vicksburg, where it flows into the Whittington Auxiliary Channel. This tributary of Little Black Bayou represents a significant watershed system in the region with ongoing efforts to improve water quality and enhance recreational fishing opportunities. The creek experiences variable flows, with portions running dry during late summer months (typically August), making seasonal timing important for fishing success. Stakeholders have been working to establish minimum flow requirements and develop the fishery to support better recreational opportunities across all five counties.