(VNF) - Located in the immense sea, Da Dia Reef (means Sea Cliff of Stone Plates) is an extremely strange natural masterpiece, resembling huge stone blocks fleshed into round and piled neatly and steadily together in An Ninh Dong commune, Tuy An district, Phu Yen province.

In all over the world, besides Phu Yen, there are only other three places that have this magnificent phenomenon. These are Giant’s Causeway in Ireland, Los Órganos in Spain and Fingal’s sea cave in Fingal, Scotland.

A mini Giant’s Causeway of Vietnam. (Photo: juses.vuong)

This place is about over 40 km from Tuy Hoa city and around 11 km from Chi Thanh district town in the east. (Photo: ljguiseppe)

Recognized as a national beauty spot in 1998, Da Dia Reef has been surprisingly admired by ​​many travelers. (Photo: bienontheroad)

Looking down from high above, the cliffs are like a giant black beehive. (Photo: Internet)

The stone columns with hexagonal or circular cross section are about 60 - 80cm high, erective, steady, this layer ranked consecutive the other over an area of more than 1km² stretching along the edge of the sea. (Photo: laith_nhan)

Stones superimpose on each other tight in this space, but in other place stones pile into stretching or tilted, much like the plates overlapped each other, which created the name of Dia Rock (plate-shaped rock). (Photo: l.y.nnn__)

According to geological researchers, this unique phenomenon was formed from the volcano erupting rocks, when meeting the sea water, they became frozen and cracked in multi directions, and this forms such a particularly interesting scene. (Photo: kyoyork1)

Next to Da Dia Reef, there is a sandy beach of about 3 km long. (Photo: viet.tu.13)

The sand here is white, clean and smooth, the water is clear and blue and very suitable for an ideal marine resort. The scenery here still keeps its isolated beauty and the pure environment. (Photo: Internet)

( Compiled by VNF )