A hidden grotto can be found in Hrajel next to a river that feeds Nahr el Kalb. The grotto is rumored to be a far upward extension of the Jeita grotto but it is currently closed to the public.
[1]
Bakhit, Muhammad Adnan Salamah (February 1972). The Ottoman Province of Damascus in the Sixteenth Century (PhD). School of Oriental and African Studies, University of London.