By type
Iron-production sites across the Viking world
21,518 recorded sites of this type, from national heritage registers and community contributions.
Furnaces, charcoal pits and slag heaps from bloomery iron making, the industry behind Viking weapons and tools.
Most are dated to the Late Iron Age – Middle Ages.
On the map
Open in the atlas →Countries
Notable sites
The best-known and most distinctive places in this area.
Iron productionVerified
Slagghaug S-5
Viking Age – Middle Ages / Late Iron Age – Middle Ages / Viking Age / Late Iron Age · Vang, Innlandet, NO→
Iron productionVerified
2 slaggvoller.
Late Iron Age – Middle Ages · Løten, Innlandet, NO→
Iron productionVerified
Aenhauglia
Late Iron Age – Middle Ages · Gol, Buskerud, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→
Iron productionVerified
Alfstad
Late Iron Age – Middle Ages · Øystre Slidre, Innlandet, NO→