lassen peak, canyon, wasatch range, cog railway, couloir, trailhead, backcountry, mendenhall glacier, mountain, teton range, snowshed, switchback, chilkoot pass, fourteener, snowfield, freeway, timberline, cascade mountains, foothills, grossglockner, slopes, cascade range, icefall, mount ranier, rimrock, chairlift, snowpack, sangre de cristo mountains, hogback, longs peak, gulch, harney peak, snow, cataract canyon, slickrock, gondola, hyalite, overcrossing, mountainside, selkirk mountains, marmolada, canyoneering, cableway, albula, brenner pass, trestle bridge, narrow gauge, canyonlands, bushwhack, nuptse, rockslide, gapers, grand teton, butte, rockface, painted desert, icefield, trestles, mesa, serac, funicular railway, wrangell mountains, zugspitze, bunny slope, funicular, boulder, ski, offramp, snowshoer, hoover dam, valley, seracs, skiers, snowbound, crag, snowslide, autopista, bernese alps, little bighorn river, panoche, redwoods, uinta mountains, snowy, mohave desert, rock outcrop, hills, massif, hillside, summiting, bivvy, creek bed, aerial tramway, ridge, cape flattery, sequoia national park, organ pipe, simplon pass, sightseers, mountaintop, big sur, mattole, zermatt