The Bering Canyon is the longest of the

Bering Sea The Bering Sea ( , ; rus, Бе́рингово мо́ре, r=Béringovo móre, p=ˈbʲerʲɪnɡəvə ˈmorʲe) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasse ...

submarine canyon A submarine canyon is a steep-sided valley cut into the seabed of the continental slope, sometimes extending well onto the continental shelf, having nearly vertical walls, and occasionally having canyon wall heights of up to , from canyon flo ...

s; it extends about 400 km across the Bering shelf and slope. It is confined at its eastern edge by the

Aleutian Islands The Aleutian Islands ( ; ; , "land of the Aleuts"; possibly from the Chukchi language, Chukchi ''aliat'', or "island")—also called the Aleut Islands, Aleutic Islands, or, before Alaska Purchase, 1867, the Catherine Archipelago—are a chain ...

. The width of the canyon at the shelf break is about 65 km, only about two-thirds that of the Zhemchug Canyon and Navarin Canyons, but because of its great length, the Bering Canyon has the largest area. At a depth of 3200 m, the Bering Canyon

thalweg In geography, hydrography, and fluvial geomorphology, a thalweg or talweg () is the line or curve of lowest elevation within a valley or watercourse. Normally only the horizontal position of the curve is considered (as viewed on a map); the c ...

reaches the Aleutian Basin, where a low-relief submarine channel-lobe system has developed.

References

Giant submarine canyons
at U.S. Geological Survey Submarine canyons of the Bering Sea {{marine-geo-stub