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Photo: Jean-Pol GRANDMONT (CC BY 2.5)
The Grand Tilleul of Bioul
Photo: Jean-Pol GRANDMONT (CC BY 2.5)See it at full size

The Grand Tilleul of Bioul

Years old400-600
Girth7 m
SpeciesSmall-leaved Lime

Seasons0 of 4

Cows graze right up to this lime, kept off the trunk itself only by a stock fence and a line of electric wire, which is why the Grand Tilleul of Bioul is a tree you view from the road rather than walk up to. That has not stopped Belgium naming it Tree of the Year in 2017, with 1,701 public votes and a 2,500 euro prize, and sending it on to represent the country at the European final the year after. At 21 metres tall and 7 metres round, it is reputed to be the largest small-leaved lime in the country. Maps have marked this spot since the 15th century, according to Anhee's own environment alderman, which puts a floor of roughly 400 years under the tree without pinning an exact one. Local memory holds that the field may once have been a sacred site before it was a pasture, a claim this project records as folklore rather than fact. The street here is named Rue du Grand Tilleul after the tree rather than the other way round, which is as good a sign as any of how long this particular lime has outranked its village. Look for it from the roadside; the fence around it is part of the point, not an obstacle to complain about.

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Getting there

Rue du Grand Tilleul, Bioul, Anhee, Namur

You can recognise it by standing behind a stock fence and electric wire in a grazed cattle field, viewed from the road rather than approached on foot. It stands on Rue du Grand Tilleul, the street named after it.

Visible from the public road (Rue du Grand Tilleul); stands in a grazed field behind a stock fence/electric wire, so the trunk itself is not walked up to, but the tree is unmistakable from the roadside

Rural village; no station, reached by road from Anhee/Bioul

The tree's year
now JanFebMarAprMayJunJulAugSepOctNovDec

In bloom

June to July, when it flowers

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 Grand Tilleul of Bioul

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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