The Columbia Encyclopedia, Sixth Edition. 2001-07.
La Pérouse Strait
(lä prz´) (KEY) or Soya Strait (s´yä) (KEY) , channel, 25 mi (40 km) wide, separating N Hokkaido island, Japan, from S Sakhalin island, Russia, and connecting the Sea of Japan on the west with the Sea of Okhotsk on the east.