untrodden, tussocky, hummock, unploughed, untraveled, trackless, subalpine, embanked, dantean, moonlike, gravelled, syrtis major, chilkoot pass, cragged, unclimbable, crossable, desolate, faery, unfrequented, pennine way, abyssal, semidesert, wrangell mountains, unpeopled, purple heather, boggy, carpathian mountains, eastern ghats, metalled, thar desert, namib desert, mount parnassus, nullarbor plain, stygian, bramble bush, inner hebrides, barnacle goose, rutty, hilled, twilit, unfertile, mallee fowl, hebridean islands, bridle path, tamarack, illimitable, whin, karakoram range, mulga, tatra mountains, yomp, jungly, himalayan, sidehill, rubbly, baranof island, tussock grass, chiltern hills, barren, laurentian mountains, changeless, tsangpo, roaring forties, conquerable, annamite, nuptse, elvish, swampy, tidal basin, great dividing range, illumined, treeless, ferny, shadeless, furthermost, blackberry bush, orkney islands, cairngorm mountains, himalaya mountains, brambly, limber pine, hoary marmot, exclosure, pebbled, celestial sphere, rooty, glaciated, stony, bristlecone, spatterdock, mucky, wrangel island, unmapped, depthless, sandy, rutted, metamorphic rock, sunward, uncultivable, treacherous, lacustrine, moonlit, untracked, uncharted, swept, roadless, uninhabited, windswept, waterless, heathy, strewn, unexplored, sunlit

inaccessible, roadless, trackless, unaccessible, untracked, untrod, untrodden