The Marble Mountains are a cluster of five hills made from limestone and marble in Da Nang. It's also a well-known pilgrimage site with peaks, caves, tunnels and temples all just waiting to be discovered. Named after the elements metal, wood, water, fire and earth. There are also Buddhist sanctuaries and places of worship dotted across the mountains which are a much-visited spiritual site.

The Hải Vân Pass crosses over a spur of the Trường Sơn Range that emerges from the west and juts into the South China Sea, forming the Hải Vân Peninsula. The pass, which once formed the boundary between the kingdoms of Đại Việt and Champa, also forms a boundary between the climates of northern and southern Vietnam, sheltering the city of Da Nang from the "Chinese winds" that blow in from the northwest. The pass is renowned for its scenic beauty. Presenter Jeremy Clarkson, host of the BBC motoring programme Top Gear, featured the pass during the show's 2008 Vietnam Special, calling the road "a deserted ribbon of perfection—one of the best coast roads in the world.

Lang Co gathers various tourism resources such as: coast, sand-bank, lake, lagoon, spring, mountain, Hai Van pass, Bach Ma old-grow forest and historical relic… will create the diversify tourism products. Lang Co is blessed the beautiful scenery between the mighty mountain and beach, it is recognized as the beautiful bay in the world. On June 6th 2009, Thua Thien Hue province received the title “Lang Co – beautiful bay of the world”.