- web.archive.org web/20220818000559/https://wiki2.…Corfitz Ulfeldt and his wife Leonora Christina were imprisoned in Hammershus 1660–1661. In 1743 Hammershus was abandoned as a stronghold.
- visualbornholm.com en/steder/hammershus/Whoever controlled the island resided at Hammershus and collected taxes from all over Bornholm. Consequently, common people had little affection for the castle.
- tripadvisor.co.uk Attraction_Review-g189513-…Pardon my ignorance, but prior to the trip, we had no idea as to where Bornholm was located, but the visit to the island, and the stop at Hammershus...
- visitdenmark.com denmark/plan-your-trip/…The visitor center is built so that it adds into the landscape about 200 m east of Hammershus and separated from the castle by a gorge.
- twitter.com hashtag/hammershus…See Tweets about #hammershus on Twitter. See what people are saying and join the conversation.
- wiki2.org en/HammershusVisitors to Hammershus have views of the coastline and the sea surrounding Bornholm. South of the castle is a deep valley, water filled hollows, and dense forest.
- ipfs.io ipfs/…/wiki/Hammershus.htmlCorfitz Ulfeldt and his wife Leonora Christina were imprisoned in Hammershus 1660–1661, and the fortress was used as a prison on several other occasions.
- historyhit.com locations/hammershus-castle/Bornholm also only has 4 hours of darkness during the summer, making Hammershus Castle the perfect subject destination for many of Denmark’s early painters.
- travel.sygic.com en/poi/hammershus-poi:10325Hammershus is a medieval era fortification at Hammeren on the northern tip of the Danish island of Bornholm.
- foursquare.com v/hammershus/…Photo taken at Hammershus by Jeanette P. on 8/23/2022. ... Photo taken at Hammershus by Monika H. on 8/15/2019. See all 85 photos.