Numerous finds show that the settlement at Herdla goes back to prehistoric times, and the large estate at Herdla has enjoyed a central place in the nation’s history since High Middle Ages. As Ask, Herdla was part of the country estate Harald Hårfagre took over as he took command of the west of Norway.
From the 1500s Hop was noble estate for the law speaker in Bergen and Gulen judicial districts. Several of the law speakers were of noble descent, such as Hans Hansen Lillienskiold and Niels Knagenhielm. The beautiful main building, still standing, was erected by the Bergen merchant Thomas Erichsen in 1793-95. He also established a magnificent garden with an 800 metres long linden avenue reaching down to the stone boathouse at Hop harbour.
When the workers came to Kollsnes to start on the work with the landing for the gas terminal from the Troll field in the North Sea, they found the ruins of an old farm mill at Kvernapollen.