upland

prominence

altitude elevation height highland highness hill hillock knoll loftiness peak project promontory raise ridge rise summit

base bottom decrease depth drop lowness nadir

flat inferiority low ground unimportance

bluff cliff dune highland hillside hilltop ridge slope

acclivity ascent butte climb down drift elevation eminence esker fell gradient headland heap height hillock hummock inclination incline knoll mesa mound mount precipice prominence promontory protuberance range rise shock stack summit talus tor

rising ground

bottom decline depression nadir

canyon ditch gully

butte elevation highland plain tableland

elevation highland plain

mesa stage table tableland

hill rim

backbone chine corrugation crease crinkle elevation esker fold furrow hogback moraine parapet plica pole range rib ruck seam spine wrinkle

rimple rivel

flat plain

ascent climb rising surge upsurge

acclivity ascension elevation eminence highland hillock incline lift mount soaring towering

rising ground

decline decrease drop fall slump worsening

flat mesa plain plateau tableland