Marais du Syl Observatory – Observatoire le Rocher loop from Loire-Atlantique
Marais du Syl Observatory – Observatoire le Rocher loop from Loire-Atlantique
5.0
(2)
13
riders
05:26
87.9km
500m
Gravel riding
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: March 9, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Bus stop
Get Directions
34.8 km
Highlight • Castle
44.6 km
Highlight • Structure
Translated by Google •
Tip by
46.3 km
Highlight • Other
Translated by Google •
Tip by
46.5 km
Highlight • Cafe
Translated by Google •
Tip by
51.7 km
Highlight • Viewpoint
Translated by Google •
Tip by
53.3 km
Highlight • Other
Translated by Google •
Tip by
69.7 km
Highlight • Viewpoint
Translated by Google •
Tip by
70.3 km
Highlight • Other
Translated by Google •
Tip by
87.9 km
End point
Bus stop
Way Types & Surfaces
Way Types
52.4 km
29.7 km
2.94 km
2.83 km
< 100 m
< 100 m
Surfaces
33.9 km
30.1 km
20.4 km
3.08 km
497 m
Sign up to see more specific route details
Sign up for free
Elevation
Highest point (90 m)
Lowest point (0 m)
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Tuesday 26 May
33°C
17°C
0 %
Additional weather tips
Max wind speed: 14.0 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.