RoutesRoad cycling routesFranceIle-de-FrancePalaiseauSaint-Michel-Sur-Orge
Milly-la-Forêt – Fleury-en-Bière Castle loop from Saint-Michel-sur-Orge
RoutesRoad cycling routesFranceIle-de-FrancePalaiseauSaint-Michel-Sur-Orge
Milly-la-Forêt – Fleury-en-Bière Castle loop from Saint-Michel-sur-Orge
Moderate
63
riders
Milly-la-Forêt – Fleury-en-Bière Castle loop from Saint-Michel-sur-Orge
04:34
112km
620m
Road cycling
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.
Last updated: May 15, 2026
Tips
Cycling is not permitted along parts of this route
After 0 m for 219 m
After 112 km for 219 m
Waypoints
A
Start point
Train Station
Get Directions
1
10.4 km
Notre Dame de l'Assomption parish
Highlight • Other
The church is a synthesis of different architectural types. The oldest part, the bell tower, dates from the end of the 11th – beginning of the 12th century. Towards the end of the 12th – beginning of the 13th century, a nave with two bays, vaulted on ribbed vaults, was added to it. For aesthetic reasons, three buttresses were leveled above the vaults. The remains of this first church are still visible. At the end of the 15th century, after the Hundred Years' War, the increase in population led to the enlargement of the nave, which brought the number of bays to five, and to the creation of the side aisles. This well-proportioned building deserves a thorough visit.
Translated by Google •
Tip by
2
13.4 km
Saint-Vrain Castle Gate
Highlight • Monument
Very beautiful portal, alas the castle is not visible from the road.
Translated by Google •
Tip by
3
42.6 km
Milly-la-Forêt
Highlight • Other
The trail moves on to the main essentials
The hall
In 1479, by a special grace from Louis
The North-South facing Hall, 46 m long, 16 m wide and 13 m high, covers a total surface area of 730 m2.
48 oak pillars, resting on “dice”-cut stone bases, support a chestnut frame typical of Ile-de-France at that time; this frame presents to the north (on the rue Langlois side) a “pavilion” farm.
Today, La Halle is still the site of a market on Thursday afternoons. The square, the houses gathered all around, bear witness to the great commercial activity which already reigned in the region 500 years ago.
La Halle has been classified as a Historic Monument since 1923.
Bonde Castle
is located near the town center of Milly-la-Forêt, Built near an artificial island in the l'École river to the west of the Notre-Dame collegiate church, its park is bordered to the west by the course of the river which forms a moat to the north protecting the châtelet.
History
Built in the 12th century by the lords of Milly, the castle was ruined during the English siege in 1432.
At the end of the 15th century around 1475, owned by Admiral Louis Malet de Graville, it was rebuilt and enlarged. What was then the keep became the entrance gatehouse, the drawbridge was replaced by a permanent stone bridge and a gate closed access between the northern defense tower and the governor's house. A square courtyard was surrounded by a wall and had in the center a chapel dedicated to Saint Valentine.
The castle was successively the property of Hugues III de Bouville, Olivier V de Clisson, Jean II de Montmorency, Jean-François de Faudoas d'Averton, Marc-Antoine Front de Beaupoil de Saint-Aulaire and Pierre Marie of Lau d’Allemans.
In the 19th century, the towers of the chatelet were enhanced with brick battlements and a slender roof. In 1859 the Corne bridge was rebuilt near the castle washhouse which served as a watering trough for the animals. At the end of the 20th century the mills along the river were demolished.
In 1964, the Bonde washhouse downstream of the river which was part of the estate was rehabilitated. On December 20, 1972, the castle was partly listed as a historic monument.
The park was listed in 1991 for its fences, canals and paths.
the house of Jean Cocteau.
Entrance to the J. Cocteau house
[This 17th century residence, flanked by turrets, was formerly called the Governor's House. It corresponds to an old outbuilding of the castle in front of which the vassals came to pay homage and faith to their lord.
Jean Cocteau bought this house with Jean Marais in 1947 and lived there until his death.
Notre-Dame de l’Assomption Church
Founded in the 11th century, the former chapel of the castle, it was rebuilt around 1485 on the orders of Admiral de Graville in the Gothic style of the 13th and 14th centuries.
The bell tower, 57 meters high, dates from the 11th century in its lower part and from the 12th and 13th centuries in its upper part. The arch of the main portal in the primitive Romanesque style comes from an old church in Milly (Saint-Pierre or Saint-Jacques). On the east side of the bell tower - Place Grammont side - the arms of Admiral de Graville are still visible.
Many works of sacred art are found inside the church. The church was listed as a Historic Monument in 1926.
The dovecote; Located on the old triangular square of the dovecote cul de sac, this old building was part of the Domaine du Moustier, property of Fulbert I, lord of Milly and officer at the court of Dagobert I in the 7th century. Destroyed in 1432 or 1433, the complex included a vast farm. According to a count in 1792 it had around 1200 niches. Only the lords held the right to build these premises designed for breeding.
The Moustier de Péronne gate is one of the oldest vestiges of Milly and dates from the 7th century. It provided access to the moustier (monastery in old French) owned by Fulbert I, who obtained the land of Milly from Dagobert I. His son Wulfran was born there around the year 635. Entering religion, he became the apostle of the frieze (Netherlands), then bishop of Sens before retiring to Saint Wandrille where he died in 720.
The hall
In 1479, by a special grace from Louis
The North-South facing Hall, 46 m long, 16 m wide and 13 m high, covers a total surface area of 730 m2.
48 oak pillars, resting on “dice”-cut stone bases, support a chestnut frame typical of Ile-de-France at that time; this frame presents to the north (on the rue Langlois side) a “pavilion” farm.
Today, La Halle is still the site of a market on Thursday afternoons. The square, the houses gathered all around, bear witness to the great commercial activity which already reigned in the region 500 years ago.
La Halle has been classified as a Historic Monument since 1923.
Bonde Castle
is located near the town center of Milly-la-Forêt, Built near an artificial island in the l'École river to the west of the Notre-Dame collegiate church, its park is bordered to the west by the course of the river which forms a moat to the north protecting the châtelet.
History
Built in the 12th century by the lords of Milly, the castle was ruined during the English siege in 1432.
At the end of the 15th century around 1475, owned by Admiral Louis Malet de Graville, it was rebuilt and enlarged. What was then the keep became the entrance gatehouse, the drawbridge was replaced by a permanent stone bridge and a gate closed access between the northern defense tower and the governor's house. A square courtyard was surrounded by a wall and had in the center a chapel dedicated to Saint Valentine.
The castle was successively the property of Hugues III de Bouville, Olivier V de Clisson, Jean II de Montmorency, Jean-François de Faudoas d'Averton, Marc-Antoine Front de Beaupoil de Saint-Aulaire and Pierre Marie of Lau d’Allemans.
In the 19th century, the towers of the chatelet were enhanced with brick battlements and a slender roof. In 1859 the Corne bridge was rebuilt near the castle washhouse which served as a watering trough for the animals. At the end of the 20th century the mills along the river were demolished.
In 1964, the Bonde washhouse downstream of the river which was part of the estate was rehabilitated. On December 20, 1972, the castle was partly listed as a historic monument.
The park was listed in 1991 for its fences, canals and paths.
the house of Jean Cocteau.
Entrance to the J. Cocteau house
[This 17th century residence, flanked by turrets, was formerly called the Governor's House. It corresponds to an old outbuilding of the castle in front of which the vassals came to pay homage and faith to their lord.
Jean Cocteau bought this house with Jean Marais in 1947 and lived there until his death.
Notre-Dame de l’Assomption Church
Founded in the 11th century, the former chapel of the castle, it was rebuilt around 1485 on the orders of Admiral de Graville in the Gothic style of the 13th and 14th centuries.
The bell tower, 57 meters high, dates from the 11th century in its lower part and from the 12th and 13th centuries in its upper part. The arch of the main portal in the primitive Romanesque style comes from an old church in Milly (Saint-Pierre or Saint-Jacques). On the east side of the bell tower - Place Grammont side - the arms of Admiral de Graville are still visible.
Many works of sacred art are found inside the church. The church was listed as a Historic Monument in 1926.
The dovecote; Located on the old triangular square of the dovecote cul de sac, this old building was part of the Domaine du Moustier, property of Fulbert I, lord of Milly and officer at the court of Dagobert I in the 7th century. Destroyed in 1432 or 1433, the complex included a vast farm. According to a count in 1792 it had around 1200 niches. Only the lords held the right to build these premises designed for breeding.
The Moustier de Péronne gate is one of the oldest vestiges of Milly and dates from the 7th century. It provided access to the moustier (monastery in old French) owned by Fulbert I, who obtained the land of Milly from Dagobert I. His son Wulfran was born there around the year 635. Entering religion, he became the apostle of the frieze (Netherlands), then bishop of Sens before retiring to Saint Wandrille where he died in 720.
Translated by Google •
Tip by
4
42.8 km
La Bonde Castle
Highlight • Castle
Medieval castle presenting elements of the 13th century, raised in the 15th century by Louis Mallet, governor general of Normandy. In the 16th century, presence of Vendôme and Montmorency. The entrance gatehouse comprises two circular towers with machicolations topped at the beginning of the 19th century by brick crenellations.
Translated by Google •
Tip by
5
64.3 km
Nice corners to climb / descent
Highlight • Climb
In the Domaniale forest of Trois Pignons, this beautiful coast winds between a pine forest.
Translated by Google •
Tip by
6
72.2 km
Fleury-en-Bière Castle
Highlight • Castle
Magnificent, truly impressive in grandeur.
Translated by Google •
Tip by
7
94.4 km
The Flowered Pond Restaurant
Highlight • Restaurant
Good restaurant with plenty of parking nearby.
Translated by Google •
Tip by
8
97.3 km
Saint-Caprais Church of Saint-Vrain
Highlight • Religious Site
The construction of the church dates from the 13th century.
The church was extensively restored after the Hundred Years' War and its orientation was changed in the mid-18th century.
The building was restored again in the 19th century. During these restorations, the local priest died in 1818.
Since a decree of March 27, 1926, the church has been listed as a historical monument.
A porch was demolished in the 1970s.
The church was extensively restored after the Hundred Years' War and its orientation was changed in the mid-18th century.
The building was restored again in the 19th century. During these restorations, the local priest died in 1818.
Since a decree of March 27, 1926, the church has been listed as a historical monument.
A porch was demolished in the 1970s.
Translated by Google •
Tip by
B
112 km
End point
Train Station
Way Types & Surfaces
Way Types
103 km
4.94 km
1.66 km
1.18 km
335 m
301 m
< 100 m
Surfaces
110 km
1.53 km
< 100 m
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Elevation
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Highest point (150 m)
Lowest point (40 m)
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Weather
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Thursday 16 July
29°C
18°C
49 %
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Max wind speed: 4.0 km/h
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