The Mourne Mountains or Mournes, a granite mountain range located in County Down in the south-east of Northern Ireland, are among the most famous of the mountains on the island of Ireland. The surrounding area is an Area of Outstanding Natural Beauty and is proposed as the first National Park in Northern Ireland. The Mountains of Mourne are partly owned by the National Trust and see a large number of visitors every year. The highest mountain is Slieve Donard at 849 metres (2,786 ft).