Listed in Natural Heritage Register, Rútshellir Cave is one of the first man-made caves in Iceland.
More information at Guide to Iceland https://guidetoiceland.is/connect-with-locals/regina/rutshellir-cave-in-drangurinn-in-drangshlid
Address 2 Drangshlíð, 861, Iceland
Coordinates 63°31'32.328" N -19°33'5.598" E
