The Blue Lake of Carnelle – Le Petit Étang de Carnelle loop from Saint-Martin-du-Tertre
The Blue Lake of Carnelle – Le Petit Étang de Carnelle loop from Saint-Martin-du-Tertre
5.0
(2)
12
hikers
The Blue Lake of Carnelle – Le Petit Étang de Carnelle loop from Saint-Martin-du-Tertre
02:05
7.72km
100m
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 15, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Bus stop
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474 m
Franconville Castle
Highlight • Other
Translated by Google •
Tip by
503 m
The Château-pital of Saint-Martin-du-Tertre
Highlight • Castle
Translated by Google •
Tip by
786 m
The highest village in the IDF
Highlight (Segment) • Other
3.82 km
The Blue Lake of Carnelle
Highlight • Forest
Translated by Google •
Tip by
4.52 km
Le Petit Étang de Carnelle
Highlight • Lake
Translated by Google •
Tip by
4.78 km
Lac Bleu
Highlight • Lake
6.70 km
Tour du Guet Chappe
Highlight • Monument
Translated by Google •
Tip by
6.76 km
Saint-Martin-du-Tertre watchtower
Highlight • Monument
Translated by Google •
Tip by
7.72 km
End point
Bus stop
Way Types & Surfaces
Way Types
5.16 km
1.81 km
406 m
296 m
< 100 m
Surfaces
3.33 km
1.56 km
1.23 km
978 m
396 m
208 m
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Elevation
Highest point (200 m)
Lowest point (130 m)
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Weather
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Friday 22 May
30°C
14°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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