Svetloyar is a lake, which is associated with a legend about the sunken city of Kitezh. Located in the Nizhny Novgorod Zavolzhie about 130 km to the north-east of the regional center and 1-1.5 km west of the village of Vladimir Voskresensky district. A monument of nature of federal significance. The lake is planned to be made an object of cultural heritage.