Hatholmen Lighthouse
Hatholmen Lighthouse is a coastal lighthouse in the municipality of Mandal in Agder county, Norway. The lighthouse sits on the tiny island of Hattholmen, about south of the town of Mandal. The lighthouse marks the western side of the Mannefjorden which runs north to the town of Mandal every 10 seconds. The light can be seen for up to. The lighthouse is only accessible by boat, but the buildings can be rented out for overnight accommodations.