The lighthouse guides ships around the dangerous Kolkasrags (Cape Kolka), at the eastern entrance to the Irbe Strait from the Gulf of R?«ga. A pair of range lights were built on the point of the cape in 1818 to guide ships around the offshore shoals. Thse proved inadequate, so a lightship station was established in 1858. A temporary lighthouse was lit offshore in 1875, well before completion of the permanent tower. The seawall protecting the station was replaced in 1976-78. On the picture is foundation ruins, presumably the remains of the 1875 lighthouse. Located on a small artificial island 6 km (3.75 mi) northeast of the cape. Accessible only by boat; there must be distant views from the cape area. Site and tower closed.