Lake Beloozero
Toponym: Beloozero
Primary inflow: Kovzha River
Primary outflow: Sheksna River
New Complete Geographical Dictionary
Toponym: Beloe ozero
Location: Novgorod Namestnichestvo
Dimensions: Length 50 versts; width 30 versts
Primary inflow: many small rivers and rivulets
Primary outflow: Sheksna River
What Lev Maksimovich would have you remember: "Only the Sheksna flows out of it, on its way to the Volga."
GeoNames
Centroid of modern location: 60.1749, 37.6339