A long narrow peninsula on the E. coast of Siberia, stretching southwards between the Behring Sea and the Sea of Okhotsk, with a precipitous coast and a volcanic range of mountains down the centre, has a cold, wet climate, grass and tree vegetation, and many hot springs; the people live by fishing, hunting, and trading in furs; they are Russianised, the peninsula having been Russian since the 17th century.