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
Bodorna Rock Columns Natural Monument some resemblance with figure of the Christian monk. Monument origin is not completely clear, as it may be a denudational relict from a neogene conglomerate or from naturally cemented cobbles known as pinnacle or hoodoo that was later altered by man for cult purposes. Detailed lithostratigraphy studies are not available. At the base the rock column has diameter of 4 m and column gradually narrows towards the top. Presently the column surface is covered with shrubbery. The column contains a small cave with two niches, one of many, that were utilized as a shelter by early Christian monks in Georgia,