4.0
(13)
34
riders
15
rides
Mountain biking around Gastins offers a network of routes through a landscape characterized by rolling terrain, a mix of open fields, and scattered woodlands. The area features gentle elevation changes, making it suitable for a range of abilities. Mountain bike trails in Gastins often follow rural paths, connecting small villages and points of interest.
Last updated: October 22, 2026
3.4
(5)
9
riders
42.3km
03:00
260m
260m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.5
(2)
4
riders
38.9km
02:29
150m
150m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.0
(3)
3
riders
18.8km
01:20
70m
70m
Easy mountain bike ride.
3
riders
24.7km
01:43
130m
130m
Moderate mountain bike ride. Advanced riding skills necessary.
5.0
(1)
4
riders
29.6km
01:41
130m
130m
Easy mountain bike ride.
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Treat yourself to a well-deserved break at the picnic area near the Montcet washhouse, on the banks of the Aubetin. With its three tables set in a calm and natural setting, this space is the ideal place to eat in complete tranquility. Enjoy the serenity of the place, between the murmur of the water and the freshness of the environment, to regain your strength before continuing on your way.
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Menhir of Pierrefitte 3 m high is known under the name of Saint-Aubierge gable or Saint Flodoberthe. These names testify to the Christianization of pagan sacred places during the early Middle Ages. According to the legend Saint FlodoBerthe, a nun from Faremoutiers Abbey in the 7th century decided to establish a chapel between Faremoutiers and Saintes. Not finding a stone to carry out her project, she shared her wish with her sister Sainte Aubierge, the latter brought back the menhir in her apron, the shape of which evokes a church gable, she let go of the corner of her apron and the stone stuck. in the Maillard pond in its current place.
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The menhir is made up of a large sandstone slab 3.50 m high with a width at the base of 2.40 m and an average thickness of 0.50 m. It has an oblique groove approximately 2 m long by 4 cm wide on its face and obtained by staking to a depth of 1 cm. An excavation carried out at the foot of the menhir did not yield any archaeological material2. Sainte-Flodoberthe and her sister Sainte-Aubierge both built their respective chapels in Amillis and Saint-Augustin. Sainte-Flodoberthe having finished building hers wanted to offer a beautiful stone to her sister but on the way she met the latter who came to tell her that she had also completed her project. Sainte-Flodoberthe then abandoned the stone on the spot. As for the groove, it would have been made by the handle of Sainte-Flodoberthe's distaff which spun while walking with the stone under her arm2. Source: https://fr.wikipedia.org/wiki/Pierre-Fitte_(Beautheil)
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This “cave” is in reality nothing natural since it is a reproduction of that of Massabielle, called the “Notre-Dame-de-Lourdes” cave in which Bernadette Soubirous says she saw her mother appear to her. Jesus. It is located south of the village on the heights of the Aubetin valley. It took place on land donated by Robert Olivier, a farmer from the town. This grotto of Our Lady of Lourdes was built in 1958, the centenary year of the apparitions of Our Lady in Lourdes. Created and built by Father Jean Fabing, parish priest of Amillis, it was built by workers from Moselle with the help of the parishioners of Amillis, Chevru and Dagny and many friends and benefactors on this land in the Bois de la Croix . Inauguration and blessing on July 13, 1958 by Monsignor Georges Romain, Vicar General. In 1962 Pope John XXIII granted the plenary indulgence to all those who helped with the construction of the building and to all those who come to make pilgrimage there. From this day on, the cave has enjoyed real local success, demonstrated by the crowds that flocked to it during the procession on August 15. Carefully maintained by the faithful of the village and surrounding areas, the Notre-Dame-de Lourdes cave is open daily to all those who wish to stop there. Pilgrimage on August 15. Source: https://www.amillis.fr/amillis/histoire/
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A majestic Briard farmhouse with its moats, towers, bridge and garden.
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A grain silo, from 1937 in reinforced concrete by architect Roger Gilbert with modern architecture. Transformed into a brewery, it is here that is produced, among other things, the Bière de Brie (to be consumed in moderation)
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The "Couvée stone", menhir or standing stone, dates from the Neolithic period (age of polished stone: -7000 / -3000). It is a block of Fontainebleau sandstone, two meters high and as wide, stuck in a flood zone of the Yerres valley. This menhir has fixed a legend that is often found for other megaliths. The caption: “Having learned that her sister AUBIERGE was going to build a chapel, GENEVIEVE wanted to participate in the work. She went to the forest of Fontainebleau, chose a beautiful stone that she placed on her back, and took the way back. Near Courtomer, an angel said to him: "It's no longer worth the effort, the chapel is finished". Geneviève dropped the useless burden which was stuck in the ground. Thus was born the brood stone. CLASSIFICATION: the menhir, having escaped various threats of destruction for 50 centuries, has been classified as a Historic Monument since January 5, 1971. (source: https://courtomer.fr/decouvrir-courtomer/histoire-locale/)
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There are over 10 mountain bike trails available around Gastins, offering a variety of routes through rolling terrain and woodlands. The komoot community has explored 13 routes in total.
Mountain biking in Gastins is characterized by gentle elevation changes, making it suitable for a range of abilities. Most trails are either easy (5 routes) or moderate (8 routes), with no difficult trails reported in the area.
Yes, Gastins offers several easy mountain bike trails perfect for beginners. An example is the Rampillon Church – Saint Eliphe Church loop from Nangis, which is 11.7 miles long and leads through rural landscapes.
You can expect rolling terrain with a mix of open fields and scattered woodlands. The trails often follow rural paths, connecting small villages and points of interest, featuring gentle elevation changes.
The area is highly rated by the komoot community, with an average score of 4.2 stars from more than 10 reviews. Mountain bikers often praise the varied terrain, which includes both open and wooded sections, and the well-maintained rural paths.
Yes, many of the mountain bike trails in Gastins are designed as loops. For instance, the popular Aire de picnic + lavoir loop from Rozay-en-Brie is a 26.3-mile circular route, and the Mountainbike loop from Rozay-en-Brie is another favorite loop covering 24.2 miles.
For a longer ride, consider the Aire de picnic + lavoir loop from Rozay-en-Brie, which is 26.3 miles (42.3 km) and takes about 3 hours. Another excellent option is the Mountainbike loop from Rozay-en-Brie, a 24.2-mile (38.9 km) path.
Yes, you can discover several points of interest. For example, the Rampillon Church – Saint Eliphe Church loop from Nangis passes by the Saint Eliphe Church. Other nearby attractions include the historical Fief des Époisses and the ancient La Pierre Couvée Menhir.
A popular moderate trail is the Mountainbike loop from Rozay-en-Brie. This 24.2-mile route offers varied terrain with some gentle climbs and descents, making it a great choice for those looking for a bit more challenge than an easy trail.
Absolutely. If you're looking for a shorter ride, the Rampillon Church – Saint Eliphe Church loop from Nangis is an excellent choice. It's 11.7 miles long and can typically be completed in about 1 hour 20 minutes.
While all routes are well-regarded, the Ferme de Bois Hébert – Courpalay silo loop from Bernay-Vilbert offers a pleasant 18.3-mile ride through rural landscapes, providing a quieter experience away from the most popular starting points.


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