gulch

a narrow opening between hillsides or mountains that can be used for passage the gulch floods in the spring with the runoff from the mountains, so wait until later in the summer to hike it Synonyms col, couloir, defile, flume, gap, gill [British], gorge, canyon, gulf, kloof [South African], linn [chiefly Scottish], notch, pass, ravine, saddleRelated Words abyss, chasm, cirque, cleft, crevasse, crevice, cwm [chiefly British], fissure; combe (also coombe or coomb) [British], dale, dell, glen, hollow, shut-in, vale, valley; basin, floodplain, kettle; arroyo, barranca (also barranco), coulee, draw, gully (also gulley), gutter, nullah, trench, trough, wadi, wash [West]