Built of Cornish granite ashlar , it has a steeply pitched corbelled roof , built from courses of granite slabs that run the length of the building .
Dupath Well is a nearly intact well - house , constructed of local granite , built over a spring .
Built of Cornish granite ashlar , Dupath Well has a steeply pitched corbelled roof , built from courses of granite slabs that run the length of the building .
Dupath Well is a nearly intact well - house , constructed of local granite , built over a spring .