It is approximately 70 km south-west of Hanoi. It is a complex of pagodas and Buddhist shrines built into the limestone cliffs of Huong Tich Mountain (the Mountain of the fragrant Traces). The better-known sites here are Thien Tru Thien Tru(Pagoda leading to Heaven); Den Giai Oan (Purgatorial Pagoda), Long Van Pagoda, Tuyet Son Pagoda.Pilgrims and visitors come here during festival (from the middle of the 2nd to the last week of the 3rd lunar month)