Sionnet Marsh and Rouelbeau Ruins Loop from Choulex
Sionnet Marsh and Rouelbeau Ruins Loop from Choulex
4.8
(8)
27
hikers
02:18
8.86km
60m
Hiking
Hike a moderate 5.5-mile loop from Choulex, exploring the Sionnet Marsh and the historic Château de Rouelbeau Ruins.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
3.44 km
Highlight • Natural
Translated by Google •
Tip by
5.68 km
Highlight • Castle
Translated by Google •
Tip by
7.64 km
Highlight • Viewpoint
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Tip by
8.86 km
End point
Parking
Way Types & Surfaces
Way Types
5.47 km
2.05 km
693 m
592 m
< 100 m
Surfaces
2.38 km
2.34 km
2.07 km
1.03 km
905 m
145 m
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Elevation
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Weather
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Tuesday 19 May
22°C
11°C
15 %
Additional weather tips
Max wind speed: 14.0 km/h
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This route was planned by komoot.
The loop from Choulex is approximately 8.86 km long and generally takes about 2 hours and 18 minutes to complete at a moderate hiking pace.
This trail is considered to be of moderate difficulty. While some sections, particularly within the Sionnet Marsh, are flat and wide, other parts may require sure-footedness due to varied terrain. The elevation gain is relatively minor, around 56 meters.
The trail starts from Choulex. While specific parking details are not provided, Choulex serves as the main access point for this loop. Look for local parking options within the village.
You will encounter a varied terrain, including sections of road, street, hiking paths, and footpaths. The Sionnet Marsh area features flat and wide paths, making it easily accessible, but expect some uneven ground in other parts of the loop.
The route offers a blend of nature and history. You'll explore the idyllic marshland environment of the Sionnet Marsh, a significant natural highlight. You'll also encounter the historical Château de Rouelbeau Ruins, a 14th-century fortress. Additionally, the trail passes through scenic Genevan countryside and vineyards.
The trail can be enjoyed throughout the year. The Sionnet Marsh is particularly renowned for ornithology, attracting numerous bird species during migration periods, making spring and autumn excellent for birdwatching. Clear days offer the best views of the Jura Mountains.
Yes, the Sionnet Marsh is a significant natural area and a renowned 'hot spot' for ornithology. You can expect to see a variety of bird species, especially during migration, making it an excellent location for birdwatching.
The trail is generally considered dog-friendly, allowing you to enjoy the natural beauty with your canine companion. However, it's always advisable to keep dogs on a leash, especially in nature reserve areas like the Sionnet Marsh, to protect wildlife.
No, there are no specific permits or entrance fees required to hike the Marais de Sionnet and Rouelbeau loop. It is freely accessible to the public.
The trail starts from Choulex, and the route passes through the Genevan countryside, which includes charming old villages and wineries. You may find cafes or restaurants in Choulex or nearby villages to refresh yourself before or after your hike.
Given its moderate difficulty, the trail is suitable for families with children who are accustomed to hiking. The flat and wide paths within the Sionnet Marsh are particularly accessible, offering an enjoyable experience for all.