Gulf of Olenyok, or Olenyok Bay
Gulf of Olenyok, or Olenyok Bay – a gulf in the Laptev Sea between Terpyay-Tumus Peninsula in the west and the Lena delta in the east, and the mainland in the south and west. It juts out into the inland for 65 km. The width is approx. 130 km, the depth of 15 m. It has a number of islands – the largest are Dzhanghylakh, Salkay Islands and others. Most of the year it is covered with ice. In August and September is completely cleared of ice. The waters of the bay are light salted, which allows freshwater fish, such as Arctic char, to live in the bay.
The eponymous river flows into the Gulf of Olenyok forming a delta of over 470 km2. The eastern shore of the gulf is an edge of the Lena delta, in particular one of the three main Lena arms – Olenyokskaya – runs into the gulf.
The gulf was discovered in 1633–1634 by the detachment of the Yenisei Cossacks led by Ivan Rebrov. It was first described and mapped by the expedition of Pronchishchev in 1735–1736. The expedition spent the winter on...