The Sperrins, or Sperrin Mountains ([Sliabh Speirín](javascript:void(0))), are a mountain range located in Northern Ireland. They stretch across the counties of Tyrone and Londonderry, extending from Strabane and Mullaghcarn in the west to Slieve Gallion and the Glenshane Pass in the east. This area is known for its mostly moorland and blanket bog landscape, featuring rounded summits. The Sperrins are sparsely populated and hold ecological importance as a habitat for diverse wildlife. The highest peak is Sawel Mountain, which rises to 678 meters (2,224 feet), making it the highest in the Sperrins and the seventh highest in Northern Ireland. The region is also designated as an Area of Outstanding Natural Beauty and is characterized by its glaciated terrain and natural scenery.

In summary, the Sperrins are in Northern Ireland, spanning the border area of counties Tyrone and Londonderry, known for their natural beauty and wildlife- rich uplands.