Located in An Ninh Dong Commune, Tuy An District, Phu Yen Province, Da Dia Rapids is strangely structured rocks include large upright stones equally arranged in a star pattern. Being a riddle of nature, like a giant jigsaw, the rapids is irritatingly made of the same shaped pieces, and forms a solidified structure that has proved more than just a curiosity for thousands.

Looking down on it, visitors often liken it to a gigantic beehive, others as a pile of stone plates. For despite a lengthy series of historical, archeological and scientific probes of the cliff’s square kilometer, its formation remains a mystery.

The stones in Ghenh Da Dia are bazan stones of dark black and light yellow. There exists large stones of tons and small stones with different shapes: round, pentagon, polygon and so on. The stones take the right column or a settlement close to each other like disks arranged on couples together.

In Ghenh Da Dia, there only remains the unique scenery of the sea and stones, so everything is still primary, environment is so pure, air is fresh and comfortable. Some pictures of Da Dia Rapids on Dan Tri Newspaper: