Gressholmen is a small island located in the Oslo Fjord in Norway. It offers wonderful possibilities for swimming and sunbathing, making it the perfect destination for an outdoor adventure! Nature lovers should head to Rambergøya and the northern parts of Gressholmen, which are both nature reserves and important nests for sea birds. For history enthusiasts, Heggholmen is home to one of the oldest lighthouses in the fjord, and was once a small industrial community. Don't miss out on this picturesque place, full of outdoor activities to keep you entertained.