mountain top Antonyms

throated moat kloof intervale heugh gully gulf gulch grotto grot gorge orifice ravine scissure nullah caldera mountain pass creek bed cwm vega valley strath stoma slade glen glade col clough clove clave chine chasm canyon basin barranca arroyo combe coomb coombe gill fontanel flume fenestra dingle dell dale crevasse couloir coulee abysm