ledge, precipice, ravine, rockface, clifftop, mountain, waterfall, gorge, abyss, boulder, crag, corrie, mountainside, crevasse, serac, hillside, hill, promontory, sand dune, couloir, snowfield, seracs, canyon, embankment, timberline, beachy head, slope, bluff, rocks, escarpment, ridge, longs peak, headland, knoll, snowbank, glacier, scree, horseshoe falls, sandbar, rock outcrop, mountaintop, outcropping, guardrail, creek, mineshaft, sugar loaf mountain, bunny slope, abseiling, earthwards, icefall, icefield, creek bed, sandbank, snowslide, fjord, hogback, cave, rabbit hole, belays, quicksand, mount parnassus, sidehill, climber, switchback, piton, scafell pike, whitecap, rimrock, ben nevis, tar pit, balcony, eiger, canyoneering, helvellyn, bernese alps, gulch, rapids, railing, shore, floe, groyne, riverbank, riptide, hucks, koppie, massif, snowy mountains, hummock, pali, slickrock, crevice, fourteener, hairpin bend, rope, hillock, volcanic crater, butte, river, hiker, incline, harney peak, telegraph pole, cliffs, bluffs, crags, precipices, headlands, mesa, escarpments, promontories, hills, gabled, grove, inhabited, battlemented, chimney, reconstructed, adjoining, brad, butler, castellated, castle, demolished, embowered, fern, gentrified, haunted, homer, julian

acapulco, acapulco de juarez, anasazi, asplenium ruta-muraria, bird's-foot fern, canyonlands national park, cliff diving, cliff dwelling, cove, crag, escarpment, face, hydromantes brunus, landslide, landslip, limestone salamander, mesa verde national park, pellaea mucronata, pellaea ornithopus, perpendicular, precipice, scarp, scree, spectacular, talus, vertiginous, wall rue, wall rue spleenwort

formation, geological formation, geology

drop-off