Discover the legend of the giants causeway on a 12 hour scenic tour that also includes a visit to belfast and the imposing dunluce castle atop the basalt cliffs of county antrim enjoy panoramic views of scotlands mull of kintyre and rathlin island and visit the medieval fortress of dunluce castle you will learn about the macdonald clan and see the stunning hexagonal basalt rocks of the giants causeway the day will conclude with a tour of belfast city center and a drive of the scenic coast