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 Sevan cultural monument is the Sevanavank monastery located on the peninsula, which was until the mid-20th century an island. Another prominent monastery at the western shore is Hayravank, and further south, in the village of Noratus, is a field of "khachkars", a cemetery with about 900 "khachkars" of different styles. Additional "khachkars" are found at Nerkin Getashen on the south coast. Sevan trout ("Salmo ischchan") is an endemic species of the lake, but it is endangered as some competitors were introduced into the lake, including common whitefish ("Coregonus lavaretus") from Lake Ladoga, goldfish ("Carrasius auratus"), and crayfish ("Astacus leptodactylus"). If the