Walking TourWalking TourLe Maregraphe
Endoume
France's altitude zero point sits in this historic building on the Corniche. Every French landmark's height—from Mont Blanc to the Eiffel Tower—is measured from this 19th-century tide gauge.
Historic scientific monument
Sea level observatory
France's zero altitude point
Climate research station
Tips
🌊now monitors rising sea levels from climate change
📅only open during Heritage Days (two days yearly)
🪑check out the famously long bench outside
Le Maregraphe
EndoumeOpen
Walking TourWalking TourFrance's altitude zero point sits in this historic building on the Corniche. Every French landmark's height—from Mont Blanc to the Eiffel Tower—is measured from this 19th-century tide gauge.
Historic scientific monument
Sea level observatory
France's zero altitude point
Climate research station
Tips
🌊now monitors rising sea levels from climate change
📅only open during Heritage Days (two days yearly)
🪑check out the famously long bench outside