Dyrhólaey

thumb|Dyrhólaey thumb|Dyrhólaey Lighthouse thumb|Reynisfjara and Reynisdrangar as seen from Dyrhólaey

Dyrhólaey (, "door hill island"), formerly known by seamen as Cape Portland, is a small promontory located on the south coast of Iceland, not far from the village Vík. It was formerly an island of volcanic origin, which is also known by the Icelandic word eyja meaning island. The volcano erupted about 100 thousand years ago during the Pleistocene. The peninsula has an elevation of , and the Dyrhólaey Lighthouse, built in 1927, sits at the top of the formation facing the sea.