From the famous interlocking basalt columns of the Giant's Causeway, part of a 200km-long wild Atlantic coastline littered with castles, lighthouses, wildflowers and birdlife, the the rugged granite summits of the mighty Mourne Mountains which dominate the County Down skyline, Northern Ireland is packed with a magnificent variety of unforgettable walking opportunities. In this guide you will find routes along wind-blown clifftop paths, through oakwood forests, over old smuggling routes and across high mountain ridges. On the way you'll discover a land steeped in hundreds of years of history and ancient legend with a remarkable range of wildlife habitats and interesting geology.