The lake I had passed outside Hamrånge had stretched towards the sea without, however, joining it. The inhabitants said that it was called Hamrångefjärden and that it is, in fact, linked to the sea by a gap through the solid rock though whether this is formed by nature or by artificial means is unknown. This is called the North Sound and is only just wide enough to be passable by boat. When the weather is dry in summer, this channel is dammed by a lock-gate to prevent too much water flowing out of the lake and thus hindering navigation through the shallow gap, for the iron from a number of hammer-nails and ironworks is sent out this way.