Warton Crag

Warton Crag is a limestone hill in north west Lancashire, England.

[8][9][10] The summit of the hill is the site of a small multivallate hillfort, which has long been assumed to date to the Iron Age period.

The approximately 3.2-hectare (7.9-acre) enclosure was defended by rock scarps and steep slopes to the south and west with triple stone ramparts forming an arc on the other sides.

[11][12][13] However research by Historic England in 2016 using lidar proposed that the structure was instead "some form of non-defensive hilltop enclosure, possibly dating to the Late Bronze Age.

[18] Many plants are found on the crag, including horseshoe vetch near its northern limit, spindle tree and many ferns.