Hackthorpe is a village in the Eden district of Cumbria, adjacent to the village of Lowther and located about 4 miles south-east of Penrith. Hackthorpe is part of the Civil Parish of Lowther, and was previously a township in the ancient Parish of Lowther in Westmorland.
HACTHORPE, a township, in the parish of Lowther, West ward and union, county of Westmorland; containing 102 inhabitants. The Lancaster and Carlisle railway passes through the village, close by Lowther Park gates. The old Hall, now a farmhouse, was the birthplace of John, first Viscount Lonsdale.