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Routes
Hiking trails & Routes
France
Ile-de-France
Fontainebleau
Saint-Mammès

Hollow Rocks – Porte de Samois loop from Saint-Mammès

Routes
Hiking trails & Routes
France
Ile-de-France
Fontainebleau
Saint-Mammès

Hollow Rocks – Porte de Samois loop from Saint-Mammès

Moderate

4.4

(5)

21

hikers

Hollow Rocks – Porte de Samois loop from Saint-Mammès

04:59

18.9km

170m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Réserve de biosphère de Fontainebleau et du Gâtinais

Waypoints

A

Start point

Train Station

Get Directions

1

977 m

Saint-Mammès Marina

Highlight • Structure

2

1.79 km

3.36 km

Les Roches Courteaux

Forest

3.97 km

Les Larris

Forest

5

5.27 km

By Castle

Highlight • Other

Also known as the Château de Rosa Bonheur, the Château de By is a former 15th century manor estate. It became the property of the artist-painter Rosa Bonheur in 1859. …

Translated by Google •

Tip by

6

10.1 km

Hollow Rocks

Highlight • Natural Monument

Here is a very beautiful set of rocks, all hollowed out and perforated in a different way!

Translated by Google •

Tip by

7

10.4 km

Rochers des Princes

Highlight • Natural Monument

It is a beautiful set of rocks culminating at 133 meters above sea level.

Translated by Google •

Tip by

8

16.5 km

Porte de Samois

Highlight • Monument

This tower (formerly Porte de Paris) was built in the 12th century at the same time as the ramparts by Philippe-Auguste to protect the city which then marked the border …

Translated by Google •

Tip by

9

16.6 km

10

16.9 km

Pont de Moret-sur-Loing

Highlight • Bridge

The former fortress and picturesque medieval town of Moret-sur-Loing lies on the edge of the Fontainebleau Forest and the peacefully flowing Loing River. This postcard-perfect town is indeed extremely photogenic. …

Translated by Google •

Tip by

B

18.9 km

End point

Train Station

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Way Types & Surfaces

Way Types

9.21 km

3.68 km

2.78 km

2.51 km

492 m

< 100 m

Surfaces

6.58 km

4.70 km

2.80 km

1.94 km

1.92 km

758 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (130 m)

Lowest point (40 m)

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Weather

Powered by Foreca

Monday 18 May

17°C

8°C

86 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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4.6

331

Walk of the Viewpoints — Fontainebleau Forest

02:42h

10.1km

110m

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