oman`s grand canyon

adventure arabia arabian canyoning cleft climb climbing crack creek deep descent dirt discover discovery dry east edge eroded erosion erosive escarpment explore fossil geologic geology ghul gorge grand granite gravel hamra hike hiking islamic landmark limestone middle mountain natual natural nature off oman omani peninsula photo plateau range ravine river road rocky sandstone sediment shale sightseeing steel strata stratus sultanate top tourism travel trek trekking wadi weathering