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![Prospect of Alvøen, Bergen](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_262-x.jpg?itok=LxWnEEWq)
Alvøen
Alvøen is one of the oldest industrial places in Norway. As early as the 1620s a gunpowder mill was built here. The place itself was well situated for industrial activity, lying only 100 m from the waterfall, which provided power for the mill, and a good harbour wherefrom the products were shipped. The success of the gun-powder mill varied in the 1600s and 1700s, but what made Alvøen best known was its paper production.
![Potholes by the Koldals River](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/fokllk.jpg?itok=MZgPWao9)
Eikelandsosen
"So many and such big potholes as are found at Eikelandsosen, we don't see other places in western Norway, and as beautifully polished as the mountainside is along the river up to Koldal , one would look a long time to see anywhere else. There is much to dazzle a geologist's eyes. If only these features could bring others the same joy!"
![Frøland power station and lake Frøland.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/sam_4.jpg?itok=7O9c4Igu)
Frøland
Much rain, a steep drop and nearness to Bergen meant that the power-making potential of the Samnanger water system was exploited early. Samnanger was thus one of the first power-producing municipalities in western Norway. With its subsequent expansion and new power stations, about 400 gigawatts of electricity per hour were produced on average each year. This is enough to meet the energy needs of 25,000 households.
![The saw tooth pattern is clearly visible from Skora Mountain southwards toward Tellnes and Skogsvågen.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/fjell_26.jpg?itok=JF-ZMEUU)
Haganes
The gneiss landscape west and north of Bergen viewed in profile can remind us of a saw blade of the kind that has long, slanted sides that get broken off shorter transverse sides. It has taken several hundred million years to file this saw blade, an enduring interplay between various geological processes.
![Sandy beach to the west of Kallsøyna, outermost Valen](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/190/nvh_353_herdla_150.jpg?itok=XcEOtEry)
Herdla – glacial deposits
The shift in the landscape is striking between the barren craggy moors north on Askøy and the green fields of Herdla, which has the county's biggest farm. The majority of Herdla, such as the island appears today, is a gift from the glacier: The glacier that advanced here over 12,000 years ago stopped at the northern tip of Askøy and took its time building up the moraine on Herdla. Since then, Herdla has been under continual transformation. The re-organisation of the loose sediment deposits continues today.
![The phosphate factory in Knarrvika, Fjell](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_280-3.jpg?itok=Xf_ddHQL)
Knarrevik
Having passed well over the bridge across to Sotra you pass an industrial plant surrounded by a budding community; the mineral mill of A/S Norwegian Talc. Some of the buildings seem to have been erected in the early part of the 20th century. They are remnants of a grand industrial plant from the former boom time in the country – the economic upswing after WWI.
![Hetlefloten i Os](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/723.jpg?itok=iwhgEn9w)
![Skjelbreid terrace](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/fusa_27.jpg?itok=xBptoHjz)
Skjelbreid
On the east side of Lake Skjelbreidvatnet, clearly visible along the road from Eikelandsosen, we notice a farm on a terrace above a grassy hill. The hill has the form of a broad shield; Skjelbreid (" Broad Shield") is the name of the farm.
![The carton factory around 1895., Fusa](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_243-2.jpg?itok=b6AyuGpJ)