Dim Çayı is Alanya's easy inland escape: a river valley where the air cools, the water runs clear, and restaurants set tables on platforms above the stream. It is not remote wilderness, but after the heat and traffic of the coast the change of temperature is the point.
Go in summer if you want the classic experience of lunch, tea, and a swim in cold water. The valley also pairs well with Dim Cave or a wider drive into the hills, especially if you have had enough of beach routine for the day.