Quick Facts
Russian:
Proliv Laperuza
Japanese:
Sōya-kaikyō
Britannica AI Icon
Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

La Perouse Strait

waterway, Russia-Japan
Also known as: Proliv Laperuza, Sōya Strait, Sōya-Kaikyō

La Perouse Strait, international waterway between the islands of Sakhalin (Russia) and Hokkaido (Japan). The strait, named after the French explorer Jean-François de Galaup, Count de La Pérouse, separates the Sea of Okhotsk from the Sea of Japan. It is 27 miles (43 km) wide at its narrowest part, between Cape Krilon (Sakhalin) and Cape Sōya (Hokkaido) and varies in depth from 167 to 387 feet (51 to 118 m). The strait is characterized by extremely strong marine currents. It is closed by ice in the winter.

This article was most recently revised and updated by Amy Tikkanen.
Discover the fascinating events that shaped the world, straight from our editors.
By clicking “Sign Up”, you consent to the Britannica Privacy Policy and Terms of Use.