Round barrow on Thorn Hill, 310m south of the confluence of Black Dike Slack and Mardale Slack

The National Heritage List for England records Round barrow on Thorn Hill, 310m south of the confluence of Black Dike Slack and Mardale Slack as a scheduled monument. The saved point comes from the centre supplied by the official record. Listing does not by itself mean that the public may enter the place.

Round barrow, likely dating to the Early Bronze Age (c. 2000–1500 BCE). It represents a significant burial monument type associated with the emergence of formalised funerary practices in the British Isles.