Located in L'long hamlet., Hiep An commune, Duc Trong Dicstrict, Lamdong province, 20km from Dalat city. The site was built in a area of 40 ha with plenty of big item which bear the unique cultural traits and unique ideas like: Thanh Luong stream, Dan Sinh stream, seven-floor waterfall, Tam Bao waterfall, Dinh An lake, Moon-watching balcony, ect. From Elephant muontain, the underground currents get together and become Thanh Luong stream falling down to seven-floor waterfall, creating the eternal melody of music. Going through the tunnel system, tousists will see the place for entertaining and relaxing. All things were built inside the womb of the mountain. At the hillside, there are some comfortable and nice Bungalows which are very suitable for families who choose to visit this place.