Bolshoe Toko

a lake on the border between the Yakut ASSR and Khabarovsk Krai of the RSFSR. It has an area of 826 sq km and is located at an elevation of 903 m on a northern slope of the Tokinskii Stanovik mountain range, in a tectonic depression formed by a glacier. It is fed by surface runoff and atmospheric precipitation. The Mulam River (Aldan basin) rises from the Bol’shoe Toko.