Mountain biker, Porcupine Rim Trail, Castle Valley, Moab, Utah, USA

abyss abysses action actions active activities activity america american area areas backdrop backdrops being beings bicycle bicycle riding bicycles bicycling bicyclist bicyclists bike bike rider bike riders bike riding biker bikers bikes biking castle chain chains chasm chasms cliff cliffs countryside cycle cycler cyclers cycles cycling cyclist cyclists day daylight daytime during exterior exteriors free hobby human humans landscape landscapes leisure moab mountain mountain mountainbiking mountained mountainous mountains north of off outdoor outdoors past pastime pastimes pasttime pasttimes people person persons photo photos porcupine precipice precipices range ranges rangy recreation recreational region regions ride rider riders rides riding rim rock rocks rocky sceneries scenery scenic shot shots spare states stone the time times trail united us us american usa utah valley