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Photo: Manuel FLURY (CC BY-SA 4.0)
The Oak of Hersberg
Photo: Manuel FLURY (CC BY-SA 4.0)See it at full size

The Oak of Hersberg

Hersberg, Bech, Luxembourg

Years old300-500
Girth7.52 m
SpeciesPedunculate Oak

Seasons1 of 4

Call it the thousand-year oak and nobody in Bech will correct you, but no source found supports anywhere near that age. It is a real name attached to a real tree, not a real number. A September 2024 field visit reported that official assessments put it closer to 300 years; a separate, unsourced estimate of roughly 500 years also circulates and is repeated by French Wikipedia without further backing. Both figures are recorded here rather than settled, because neither has a ring count behind it. The girth is better documented than the age: 5.74 metres in 1907, 6.87 in 1958, 7.40 in 1997 and 7.52 in 2016, a slow, steady thickening tracked across more than a century by different surveyors. A statue of Notre-Dame, Consolatrice des affligés, sits in a niche of the hollow trunk behind a protective grille, and since 1936 a torchlit procession has walked out from the parish church every 15 August to hold an open-air sermon at the tree's foot. It is a genuine, ongoing pilgrimage rather than a revived one. The most recent firsthand report, from that September 2024 visit, found the trunk sound and free of fungus, but the crown notably declined: only about a third of it still carries leaves. Alive, and worth a return visit to see how it is doing.

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Getting there

Road between Altrier and Hersberg, Bech municipality

The large oak beside the road with a small niche shrine to the Virgin Mary set into its trunk.

Free. Stands beside a public road connecting Altrier and Hersberg, at the start of a signposted hiking trail toward the Mullerthal; a genuine pilgrimage site, visited year-round and the destination of a torchlit procession every 15 August.

Rural, between the villages of Altrier and Hersberg (commune of Bech), roughly 24 km northeast of Luxembourg City; reached by road, not by public transport.

The tree's year
now JanFebMarAprMayJunJulAugSepOctNovDec

In fruit

September to October: acorns drop, and a good mast year buries the ground in them

The line is our estimate of how much there is to see, not a measurement. Typical for this species where this tree stands; exact weeks shift with the year.

Sources

Where the facts on this page come from. The story was written with AI from these sources, and readers who know the tree correct it.

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The Oak of Hersberg

For example: “Best seen from the north side around four, when the sun comes through.” Or: “There was a church on this square until 1755.”

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