Grotto Open Days – Saturday 14 and Sunday 15 September 2025 11am – 4pm
Discover the world’s only grotto with a microclimate pool ringed by six Grotesque Faces carved into the walls, built from recycled waste from one of the first large-scale industrial brassworks – an important milestone in the Industrial Revolution. This site bravely confronts its complex past with the Quakers – old Dissenters – an industrial community …