Svellingen
1908. Active; focal plane 10 m (33 ft); white, red or green light, depending on direction, 1 s on, 1 s off. 5 m (17 ft) square skeletal tower with wood siding, lantern and gallery. Lighthouse painted white, lantern roof red. Located on a promontory at the entrance to the harbor of Hellesøy, near the northern end of Alvøy. Site open, tower closed. Admiralty B4122; NGA 4136