The Top 5 Natural Monuments around Boissy-L'Aillerie
Boissy-L'Aillerie’s landscape is a beautiful place to explore — something that you can best experience by visiting one of our 5
beautiful natural monuments around Boissy-L'Aillerie. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!
beautiful natural monuments around Boissy-L'Aillerie. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!
Last updated: December 1, 2025
Auversian Geological Site
Highlight • Natural Monument
Old quarry being restored by the Departmental Council. Place mainly for educational purposes and public awareness
The interest of this quarry lies in the geological substrate, formed from the famous sands of Auvers.
valdoise.fr/888-site-geologique-de-l-auversien.htm
The interest of this quarry lies in the geological substrate, formed from the famous sands of Auvers.
valdoise.fr/888-site-geologique-de-l-auversien.htm
Translated by Google •
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Hautil Oak
Highlight • Natural Monument
This remarkable oak, 95cm in diameter, was around 150 years old when it was felled by the storm of 1999. This windthrow was preserved by the managers. (source Val d’Oise Natural Space Department)
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Large Sinkhole in Parc Naturel Régional du Vexin Français
Highlight • Natural Monument
There are huge sinkholes in this forest!!! Yes, these ponds are collapses filled with water!!
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The Ancient Chestnut Trees of Butte de Marines
Highlight • Natural Monument
Here are many chestnut trees dating back more than 300 years. It is seen in their size and in the width of the trunks. They are discovered through the shaded …
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View of the Vexin
Highlight • Viewpoint
Superb viewpoint at the top of a Vexin hill (after a short 2km climb at 3% via the Rhus road)
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Extend your search for the best caves by checking out these guides of the top ones around Boissy-L'Aillerie:
Vexin FrançaisButry-Sur-OiseValmondoisParmainChauvryHaute-IsleChérenceLa Roche-GuyonAmenucourtNesles-La-ValléeL'Isle-AdamVilliers-AdamPreslesNerville-La-ForêtMérielMéry-Sur-OiseAuvers-Sur-OiseSaint-PrixSaint-Ouen-L'AumôneGénicourtSaint-Cyr-En-ArthiesVétheuilVienne-En-ArthiesVillers-En-ArthiesNointelMoursBéthemont-La-ForêtFrépillonPierrelayeMenouvilleFrouvilleVallangoujardHérouvilleLabbevilleÉpiais-RhusLivilliersSaint-Leu-La-ForêtTavernyBessancourtOsnyChaussyEnneryRonquerollesPersanChampagne-Sur-OiseBeaumont-Sur-OiseFranconvilleLe Plessis-BouchardBeauchampMontlignonGrisy-Les-PlâtresArronvilleTheuvilleCormeilles-En-VexinUsVignySagy
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