The Bering Canyon is the longest of the

Bering Sea The Bering Sea (, ; rus, Бе́рингово мо́ре, r=Béringovo móre) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasses on Earth: Eurasia and The Ameri ...

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 5 km, from c ...

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 (; ; ale, Unangam Tanangin,”Land of the Aleuts", possibly from Chukchi language, Chukchi ''aliat'', "island"), also called the Aleut Islands or Aleutic Islands and known before 1867 as the Catherine Archipelago, are a cha ...

. 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 and fluvial geomorphology, a thalweg or talweg () is the line of lowest elevation within a valley or watercourse. Under international law, a thalweg is the middle of the primary navigable channel of a waterway that defines the bounda ...

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