During the winter months, hiking and trekking are an integral part of residents' weekend plans in the UAE. Wadi means 'valley' in Arabic. Occupied by intermittent desert streams, wadis dissect and run through the Hajjar Mountains (shared between Oman and the UAE). These wadis, and their ecosystems, offer nature lovers an opportunity to rewind and refresh with a hike. [Wadi Shawka in Ras Al Khaimah]