4.5
(20)
61
hikers
02:53
10.6km
160m
Hiking
Hike the moderate 6.6-mile Vallée des Trois Moulins loop from Frassem, exploring an arboretum and the historic village of Guirsch.
Last updated: February 26, 2026
Waypoints
Start point
Bus stop
Get Directions
1.28 km
Highlight • Forest
Tip by
2.63 km
Highlight (Segment) • Trail
Translated by Google •
Tip by
10.6 km
End point
Bus stop
Way Types & Surfaces
Way Types
5.99 km
2.06 km
1.56 km
977 m
Surfaces
2.91 km
2.77 km
2.13 km
1.82 km
954 m
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Elevation
Highest point (390 m)
Lowest point (320 m)
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Weather
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Thursday 28 May
29°C
12°C
16 %
Additional weather tips
Max wind speed: 9.0 km/h
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This route was planned by komoot.
This loop is considered a moderate hike. While some paths are easily accessible, it requires good fitness and sure-footedness, aligning with a SAC 2-3 classification. Some sections may not be paved and could be challenging.
The estimated duration for completing the 10.6 km loop is around 2 hours and 53 minutes, depending on your pace and stops.
The loop starts from Frassem. While specific parking details aren't provided, it's generally advisable to look for local parking options in or near Frassem village, which serves as the trailhead.
Yes, this trail is generally considered dog-friendly. However, it's always recommended to keep your dog on a leash, especially when passing through villages, near wildlife, or in areas where livestock might be present.
The trail passes through deciduous forests and features an arboretum, making spring and autumn particularly beautiful for vibrant foliage. Summer offers pleasant conditions, while winter hiking is possible but be prepared for potentially muddy sections, especially along the river.
No, there are no specific permits or entrance fees required to hike the Vallée des Trois Moulins — loop from Frassem. It is freely accessible to the public.
You'll experience diverse scenery, including beautiful deciduous forests. Key highlights include the Frassem Arboretum, a 2-hectare site with 48 indigenous broad-leaved tree species and educational panels. The trail also leads through the Valley of the Three Mills and passes near Guirsch, one of the 'Most Beautiful Villages of Wallonia', known for its historical architecture.
The terrain consists of easily accessible paths, including tracks, roads, and dedicated hiking trails. Be aware that some sections may not be paved and could be more challenging. Parts of the route, particularly along the river, can be muddy, so appropriate footwear is recommended.
Yes, the route intersects with several other official trails. You'll find sections that overlap with paths like Belarel, Trail Beckerich Rouge, MTB Beckerich, N° 4bis - Arboretum de Frassem, GR 15 De la Lorraine belge à l'Eifel, and GRT-BVW 12 Torgny - Guirsch.
Given its moderate difficulty and the recommendation for good fitness and sure-footedness, it might be challenging for very young children or those unaccustomed to hiking. However, older children who are active and enjoy walking could find the diverse scenery and the arboretum engaging.
The trail passes near the village of Guirsch, which is a classified village. While specific establishments aren't detailed, exploring Guirsch or the starting point in Frassem might offer options for refreshments or a meal after your hike.