hanging valley valley ENVO:00000184 FTT:166 ENVO Geonames:T.VALG envoPolar FTT:784 https://en.wikipedia.org/wiki/Hanging_valley A tributary valley with the floor at a higher relief than the main channel into which it flows. They are most commonly associated with U-shaped valleys when a tributary glacier flows into a glacier of larger volume. TGN:21514 glacial valley