High Quality Content by WIKIPEDIA articles! The Tellico River rises in the westernmost mountains of North Carolina, but it flows mainly through Monroe County, Tennessee. It is a major tributary of the Little Tennessee River and the namesake of Tellico Reservoir, a reservoir created by Tellico Dam, which impounds the lower reaches of the Tellico River and the Little Tennessee River and was famous during the 1970s for the snail darter controversy. The Tellico River and its main tributaries are renowned for their brook, brown, and rainbow trout fishing. Upstream from Tellico Lake, above Tellico Plains, Tennessee, the Tellico is a premier trout stream. It meanders through a mountain gorge before reaching the broad plains downstream of Tellico Plains.