Thornton Force is part of the Ingleton Falls Waterfall trail.
Ingleton Waterfalls Trail is a well-known circular trail beginning and ending in the village of Ingleton in the English county of North Yorkshire, now maintained by the Ingleton Scenery Company. It is claimed that the trail, some 8 kilometres (5 mi) long, and with a vertical rise of 169 m (554 feet) has some of the most spectacular waterfall and woodland scenery in the north of England.[citation needed] It is on private land and an entrance fee is charged.
Source: Wikipedia