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![Kjelstraumen today](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/190/kvh_305_kjelstraumen_150.jpg?itok=5jwimkOE)
Kjelstraumen
If you take the sea route north you have several options. The various routes have been dealt with in history, and through the Middle Ages the traffic increased as well as the trading with Nordland in fish and herring, feather and down. One of the central routes passes through Kjelstraumen, in the sound between Ulvøy and Bakkøy. This has been a place for a guesthouse since 1610, with Royal Letter of Privilege, part of the large network of trading post and guesthouse locations along the coast.
![The mill that belonged to Johan Steinegger in Kvalvågen in Lindås, an attempt to exploit the difference in tides](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/190/austr_5.jpg?itok=-8B2oviO)
![The marine use environment on Krossøy, Austrheim](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh_306-1.jpg?itok=G4q9_8h8)
Krossøy
Furthest north in the island community Rongevær, at the entrance to Fensfjorden, lies Krossøy. Belonging to the farm are the islands of Krossøy, Husøy, Kårøy, Lyngkjerringa, Søre Kjerringa, Rotøy and Kuhovet. All of them have been inhabited. On Krossøy itself today there are four holdings. The marine use environment here is one of the best preserved along the West Norwegian coast.