Giant's Causeway with higher saline content than that found at the causeway. Although the basaltic columns of the Giant's Causeway are impressive, they are not unique. Basalt columns are a common volcanic feature, and they occur on many scales (because faster cooling produces smaller columns). The Belfast-Derry railway line run by Northern Ireland Railways connects to Coleraine and along the Coleraine-Portrush branch line to Portrush. Local Ulsterbus provide connections to the railway stations. There is a scenic walk of 7 miles from Portrush alongside Dunluce Castle and the Giant's Causeway and Bushmills Railway. Giant's Causeway The Giant's Causeway is an area of
Cave of El Soplao varied columns. As in the Galería of the Cauliflower can be seen traces of an earthquake. Located to the east. It is one of the highest, reaching 30 metres high. Its length exceeds 160 metres. Notable cast sheets, giant stalagmites pisolithic nests. Its name comes from the number of colours displayed on it, because of the variety of salts dissolved in water. This is the list of minerals and fossils found in the cave, in alphabetical order: Cantabrian Speleogical Club "The Cave of El Soplao, an unique cave" (1987) Cave of El Soplao El Soplao (Cantabrian: El Soplau) is a