Northern Ireland is certainly crisscrossed by uplands and low mountains, but it's most prominent and arguably its most valuable landform is Lough Neagh, the largest freshwater lake in the UK and one of the largest in western Europe. As for those mountains, the major ranges include the Sperrin, Mourne, and the Antrim Plateau that stretches along its northeastern coastline. Slieve Donard in the Mourne Mountains of the south is its highest point, rising to almost 3000 ft. The most striking feature of Northern Ireland is the so-called Giant's Causeway on the north Antrim coast.
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