Any good anagrams for talweg?

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 taken to be the middle of the primary navigable channel of a waterway that defines the boundary line between entities such as states. Thalwegs can acquire special significance because disputed river borders are often deemed to run along the river's thalweg.

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