RIBINSK, obanborest dar daryohoi Volga va Sheksna, dar territoriyai viloyathoi Yaroslavl, Vologda va Kalinin. Ba munosibati sokhta shudani gidrouzeli Ribinsk ba vujud omadaast (1941 —1947). Masohatash 4580 km2, hajmi ob 25,4 km3; joi az hama serbarash 60 km, chuquriash ba hisobi miyona 5,6 m. Ribinsk baroi tanzimi mavsimii jarayoni ob ahamiyati kalon dorad.
Obanbor bo maqsadhoi energetika va naqliyoti obi (On yak qismi rohi obii Volgayu Baltika ast) sokhta shudaast. Az Ribinsk mohi megirand. Dar sohilhoi on shahrhoi Cherepovets, Vesegonsk, Uglich, Poshekhone-Volodarsk v Andropov voqe gashtaand.