Port of Nort-sur-Erdre – Château du Plessis de Casson loop from Nort-sur-Erdre
Port of Nort-sur-Erdre – Château du Plessis de Casson loop from Nort-sur-Erdre
8
riders
Port of Nort-sur-Erdre – Château du Plessis de Casson loop from Nort-sur-Erdre
02:01
49.0km
240m
Road cycling
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.
Last updated: May 13, 2026
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After 11.0 km for 526 m
Waypoints
Start point
Bus stop
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935 m
Port of Nort-sur-Erdre
Highlight • Other
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10.8 km
Saint-Louis Church
Highlight • Religious Site
It contains a listed alabaster bas-relief dating from the 15th century depicting "the adoration of the Magi between two saints."
The bell tower is listed as a natural heritage site because it is home to greater mouse-eared bats, a very rare breed of bat.
You'll find a water tap at the entrance to the cemetery near the chapel, behind the church, and a few benches if, like me, you're not only short of water, but also of energy.
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11.3 km
Château du Plessis de Casson
Highlight • Castle
In 1753, the medieval castle, having become too uncomfortable, was rebuilt and replaced with the one we see today, in the classical style.
In 1760, the blessing of the castle chapel took place; it was destroyed during the Revolution.
Among the most illustrious occupants of the estate, we can mention:
François Dollier de Casson (1636-1701), a cavalry captain and later a priest, who was sent on a mission to Quebec. He drew up part of the plans for the city of Montreal (the city owes its characteristic checkerboard structure to him, long before Philadelphia). In Montreal, a street, several buildings, and a retirement home now bear the name Casson.
Jacques-Olivier Urvoy de Saint-Bedan (1780-1858) was mayor of Casson, general councilor, member of parliament for Loire-Inférieure, and city councilor of Nantes. He was an important patron of the arts, notably responsible for the construction of the Sainte-Anne asylum (Hospices of the Little Sisters of the Poor), the church of Casson, the bell tower of the church of Sucé, the Sainte-Anne de Casson chapel, and more. His art collection is now largely on display at the Nantes Art Museum thanks to his generous donation.
The estate became the property of the Boux de Casson family. It then passed by inheritance to the Urvoy de Saint-Bedan family and then, through marriage, to the de Bouillé family, who still reside there.
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44.9 km
Ford crossing
Highlight • Bridge
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49.0 km
End point
Bus stop
Way Types & Surfaces
Way Types
42.9 km
2.67 km
1.52 km
1.44 km
471 m
Surfaces
44.4 km
4.13 km
471 m
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Elevation
Highest point (60 m)
Lowest point (0 m)
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Weather
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Thursday 28 May
31°C
18°C
0 %
Additional weather tips
Max wind speed: 6.0 km/h
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