By type
Hillforts across the Viking world
1,383 recorded sites of this type, from national heritage registers and community contributions.
A fortified hilltop or promontory enclosed by walls, usually Iron Age, some reused in the Viking Age.
Most are dated to the Iron Age.
On the map
Open in the atlas →Countries
Notable sites
The best-known and most distinctive places in this area.
HillfortVerified
Aggersborg
Viking Age · Aggersborg, Vesthimmerlands, DK→
HillfortVerified
Fyrkat
Viking Age · Nørre Onsild, Mariagerfjord, DK→
HillfortVerified
Gosforth Cross
Viking Age · Gosforth, Cumbria, England, GB→
HillfortVerified
Jarlshof
Viking Age · Sumburgh, Dunrossness, Mainland, Shetland, GB→
HillfortVerified
Old Scatness
Viking Age · Dunrossness, South Mainland, Shetland, Scotland, GB→
HillfortVerified
Randoon
Viking Age · IE→
HillfortVerified
Thurso
Viking Age · GB→
HillfortVerified
Trelleborg (Slagelse)
Viking Age · Hejninge, Slagelse, DK→
HillfortVerified
Unst
Viking Age · GB→
HillfortVerified
Borgarvirki
Settlement Age – later · IS→
HillfortVerified
Borgarvirki
Settlement Age – later · IS→
HillfortVerified
Borgarvirki
Settlement Age – later · IS→