Overcoming the Duong Cam waterfall with a height of 100 metres, challenging yourself by jungle trekking over 400 metres in altitude difference under Jungle of Western Truong Son , trekking along streams and conquering large and small waterfalls in the deep jungle. The journey will take you to discover wild beauty of the southwestern of Quang Binh province. There is a Nature Reserve Area : Dong Chau – Khe Nuoc Trong. Trekking under the canopy of jungle, the majestic green colour of the scenery and almost intact has not been affected by external factors, with the stage of organisation and set up with a harmonious route and professional service team will bring you unforgettable experiences