mountainous, picturesque, uphill, wooded, forested, scenic, rutted, undulating, kilometer, rutty, chiltern hills, windy, metalled, twisty, treeless, mile, swampy, sandy, windswept, bumpiest, verdant, gravelled, marshy, unpaved, untraveled, nilgiri hills, muddy, sylvan, driftless, wanze, bucolic, bridle path, leafy, tussocky, untrodden, rooty, semidesert, semirural, rural, arid, unpassable, cambered, boggy, sierra madre oriental, karakoram range, jungly, desolate, hilled, blowy, pathless, laurentian mountains, sloping, hummocky, massif central, hairpin bend, cog railway, secluded, moonlike, cinder track, shadeless, woodsy, treacherous, hindu kush mountains, grassy, unpopulated, transylvanian alps, subalpine, mountain bike, unploughed, pyrenean, rhodope mountains, snowy, mount parnassus, mountain biking, simplon pass, sidehill, purple heather, urban, glaciated, cragged, eastern ghats, slippy, dusty, rustic, macadamized, uinta mountains, slushy, nullarbor plain, cobbled, lush, impassable, humid, outlying, snowy mountains, virgin forest, unspoilt, badaga, tatra mountains, rugged, scrubby, barren, deltaic, upland, forage, ground, highland, passes, stony, tack, aud, bluffs, bulk, causeway, cedar, central, content, diurnal, eastward, eastwards, lowlying, inundated, lying, roadless, semiarid, uninhabited, drier, peopled, populated, unpeopled, inhospitable

black forest, cornwall, cumbria, dale, foothills, golan, golan heights, highlanda, hills, irula, schwarzwald, trail, upland

craggy, rough, unsmooth