hillside

bluff cliff dune highland 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 upland

rising ground

bottom decline depression nadir

canyon ditch gully

border bottom face front hand part rear sector surface top view

aspect attitude boundary direction disposition division elevation facet flank haunch jamb lee limit loin margin perimeter periphery posture quarter rim stance stand verge wing

back inside interior middle rear whole

center

extremity