Hamarhus
Hamarhus at Hamar in Hedmark was the fortified palace of the bishop of the Norwegian Catholic Diocese of Hamar. The castle was east for Hamar Cathedral, and was linked to the cathedral. The castle was constructed in stages, the oldest parts of stonework was erected around 1250 or a little later, and consists of three vault cellars white wooden roofing, and a large castle tower with ground floor approx, 10 x 18 m, with basement.
After the reformation, the former bishop's residence was used by the local Lensherren. Both Hamarhus and Hamar Cathedral were destroyed in 1567 by the Swedish armies during the Northern Seven Years' War. The ruins of Hamarhus were later converted into outbuilding on Storhamar.