 The whole area of the district belongs to the drainage basin of the Mologa River, a major tributary of the Rybinsk Reservoir.The Mologa crosses the eastern part of the district from south to north, and stretches of its course form the boundary between Lesnoy District and Maksatikhinsky and Sandovsky Districts.The principal tributaries of the Mologa within the district are the Keza and the Saragozha.