of the Seversky Donets and 131 km upstream of Rostov-on-Don. It is at . This facility, with its dam, maintains a navigable head of water locally and into the lowermost stretch of the Seversky Donets. This is presently the last lock on the Don; below it, deep-draught navigation is maintained by dredging.

In order to improve shipping conditions in the lower reaches of the Don, the waterway authorities support plans for one or two more low dams with locks. These