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![The rock paintings in Grødalshaug, Os](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh_234-x.jpg?itok=3teSxvuP)
Grødalshaug
At the bottom of Vargavågen on Halhjem lies Grødalshaug, a 30 metres high rocky outcrop between the bay and a moist valley cleft. On the south side of the rock is a steep rock cliff facing the valley, the bog and the stream. On this rock face we find rock carvings from the Bronze Age.
![The power station at Gåssand, Os](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh_237-1-1.jpg?itok=kDd6e2yS)
Gåssand
The 28th November 1914 was a day to remember for the Os inhabitants. This was the day they could turn the switch on the wall and have electric light in their houses. It was like opening the door on the future when the power station at Gåssand was put into operation.
![Lyse Monastery, reconstruction](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh-239_lysekloster.jpg?itok=bc_kHrFJ)
![Up to the 1870s Osøyra was a military training area.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/1/kvh_236-1.jpg?itok=dIxgmecK)
Osøyro
The coastal settlement of Os begins to take form in the middle of the 1800s. This is when craftsmen and traders begin to settle at the river delta.
![Ulevn Camp around 1915.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_237-2.jpg?itok=_5pK0Vd7)
![Varghola](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_235-_x.jpg?itok=oGVCMzhh)