Shumshu (Russian: Шумшу, Shumushu; Japanese: 占守島 Shumushu-tō), is the second-northernmost island of the Kuril Islands chain, which divides the Sea of Okhotsk from the northwest Pacific Ocean. The name of the island is derived from the Ainu language, meaning “good island.” It is separated from Paramushir by the very narrow Second Kuril Strait in the northeast 2.5 kilometres (1.6 mi), and its northern tip is 11 kilometres (6.8 mi), from Cape Lopatka at the southern tip of the Kamchatka Peninsula. The island has a seasonal population of around 100 inhabitants.
Shumshu is the least elevated in the entire Kuril group with a height of 189 metres (620 ft). The terrain is low-lying and covered with numerous lakes and marshland. Is roughly oval, and has an area of 388 square kilometres (150 sq mi).