creek bed, embankment, gorge, hillside, drainage ditch, creek, mountainside, cliff, canyon, snowbank, riverbed, gulch, irrigation ditch, crevasse, riverbank, snowslide, hills, boulders, rockface, blackberry bush, wreckage, river, ledge, guardrail, pond, ditch, bushes, snowfield, waterfall, mudslide, woods, overpass, arroyo, roadway, hogback, juniper bush, culvert, snowshed, crater, manhole, mountain, trestle bridge, lake, cornfield, driveway, crevice, gully, snowdrift, sand dune, rivulet, seracs, trench, retaining wall, mud puddle, hilltop, swale, coulee, slope, escarpment, streambed, valley, couloir, mud, elevator shaft, serac, ridge, foothills, timberline, canal, sinkhole, rock outcrop, pickup truck, treeline, meadow, pine tree, brushy, knoll, rocks, undergrowth, treetops, hillock, trestle, dump truck, pico de orizaba, mineshaft, ruts, debris, copse, precipices, rescuers, stairwell, puddle, breadfruit tree, switchback, hemlock tree, sierra madre oriental, lassen peak, rapids, trunk, huascaran, slough, capulin, ravines, canyons, hollow, glen, defile, gulches, gorges, headland, wadi, gullies, mesa, promontory, swamp, dune, far, hilly, verdant, scarred, steeper, strewn, undulating, wetter, blistered, bluff, bottom, bumpy

canon, canyon, gorge

canon, canyon, draw, gorge, nullah, wash

vale, valley