Assumption Cathedral, Staraya Ladoga Assumption Cathedral, Staraya Ladoga Assumption Cathedral, also Dormition Cathedral () in the selo of Staraya Ladoga, Volkhovsky District, Leningrad Oblast, Russia is one of the oldest churches of Russia, dating from the second half of the 12th century. It is one of the few surviving pre-Mongol buildings in Russia, and the northernmost one. The cathedral is the katholikon of the female Assumption Monastery, one of the several monasteries in Staraya Ladoga, and is located on the left bank of the Volkhov River. The building was designated an architectural monument of federal significance (#4710028015). Staraya Ladoga was the first seat of
Lake Ladoga In his opinion, the primary name of the lake was "old source", associated to the open sea, in contrast to the name of the Neva River (flowing from Lake Ladoga) which would derive from the German expression for "the new". Through the intermediate form "*Aldaugja", cam about, referring to "Ladoga (city)". The lake has an average surface area of 17,891 km (excluding the islands). Its north-to-south length is 219 km and its average width is 83 km; the average depth is 51 m, although it reaches a maximum of 230 m in the north-western part. Basin area: 276,000 km, volume: