Tawiyan Crag is effectively the UAE's only pure sport climbing cliff (*), with a good collection of 7a-7c routes on mostly water-washed solid rock.
Just north of the town of Tawiyan. The location is described in the guidebook.
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Mountain Project's determination of some of the classic, most popular, highest rated routes for Tawiyan:
Featured Route For Tawiyan
Climb up the streaky section. Follow bolts up through a mix of slopers, crimps, jugs to a slanted crack with good jugs. From there move up to the good lip on the right which turns into an undercling. Pull out and around it for a couple more moves to the anchors....[more] Browse More Classics in International