crags, precipices, hills, hillsides, escarpments, gorges, canyons, mountainsides, knolls, creeks, gullies, thickets, rills, hilltops, riverbed, undergrowth, wadis, hogback, cliffs, foothills, hollows, valleys, ridges, meadows, mountains, woods, copses, arroyos, creek bed, slickrock, deadfall, riverbanks, hindu kush mountains, boulders, brushy, crevasses, hummocks, briars, riversides, cirques, moonscapes, gulch, tableland, waterfalls, tarns, brambles, treetops, anthills, ditches, treeline, outcroppings, barrens, underbrush, chasms, spatterdock, tussocks, rivers, blackberry bush, seracs, briers, timberline, eskers, jungles, alleys, glens, massif, ledges, brushwood, snowfield, hillock, tamarack, swamps, juniper bush, eastern ghats, cedars, scrublands, mountain laurel, terrain, rivulets, greasewood, moraine, scree, rockface, buttes, lowlands, pinon pine, plateaux, glades, subalpine fir, abysses, embankments, bushes, palisades, rapids, switchback, dunes, harney peak, himalaya mountains, sylvan, fords, gulley, caves, ravine, gulches, gorge, crevices, canyon, promontories, defiles, declivities, gully, coves