Brewing Viking Beer — With Stones

When archaeologist Geir Grønnesby dug test pits at 24 different farms in central Norway, he nearly always found thick layers of fire-cracked stones dating from the Viking Age and earlier. Carbon-14 dating of this evidence tells us that ago, Norwegians brewed beer using stones.

There’s nothing archaeologists like better than piles of centuries-old rubbish. Ancient bones and stones from trash heaps can tell complex stories. And in central Norway, at least, the story seems to be that Vikings and their descendants brewed beer by tossing hot rocks into wooden kettles.

“There are a lot of these stones, and they are found at most of the farmyards on old, named farms,” says Geir Grønnesby, an archaeologist at the Norwegian University of Science and Technology’s University Museum.

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