4.3
(77)
398
hikers
02:08
7.89km
100m
Hiking
Hike the moderate 4.9-mile Boël mill loop, featuring river views, woodlands, and the historic Boël Mill, taking about 2 hours.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
6.31 km
Highlight • Monument
Translated by Google •
Tip by
7.42 km
Highlight • Other
Translated by Google •
Tip by
7.89 km
End point
Parking
Way Types & Surfaces
Way Types
3.24 km
2.53 km
1.52 km
437 m
135 m
Surfaces
2.45 km
2.39 km
2.18 km
413 m
411 m
< 100 m
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Elevation
Highest point (90 m)
Lowest point (20 m)
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Weather
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Tuesday 7 July
36°C
14°C
0 %
Additional weather tips
Max wind speed: 16.0 km/h
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This route was planned by komoot.
The Boël mill loop is approximately 8 kilometers (5 miles) long. Most hikers complete it in about 2 hours and 35 minutes, depending on their pace and how often they stop to enjoy the views.
The trail features varied terrain. You will start at the top of cliffs, cross shady woodlands, and return along a towpath. There are also short climbs, some of which can be quite steep. Good hiking boots and walking sticks are recommended due to these technical sections.
This loop offers magnificent panoramas of the Vilaine river and the historic Boël Mill from various viewpoints along the cliffs. You'll also pass through scenic shaded woodlands. Don't miss the specific View of the Boël Mill highlight.
Yes, the route incorporates a section of the GR®39 path. It also overlaps with other official trails such as Les trois ponts, Du Mont-Saint-Michel à La Grande Brière - partie 4, and Véloroute de la Rance et de la Vilaine for significant portions.
While the trail is generally accessible, it's always best to keep dogs on a leash, especially in areas with varied terrain, wildlife, or near other hikers. Please ensure you clean up after your pet.
No, there are no specific permits or entrance fees required to hike the Boël mill loop within the Boël Natural Site. It is freely accessible to the public.
The trail is a loop and starts and ends at the same location, making it convenient for parking. Specific parking areas are usually available near the trailhead in Guichen, but it's advisable to check local signage upon arrival.
Yes, there is a bar/restaurant located directly on the Boël site, offering a convenient spot for refreshments before or after your hike.
The trail can be enjoyed year-round. However, spring and autumn offer pleasant temperatures and beautiful scenery with blooming flora or vibrant fall colors. Summer is also good, with the shaded woodlands providing relief from the sun.
The trail is rated as 'moderate' and includes some short, steep climbs and varied terrain. While suitable for most hikers, families with very young children or those unaccustomed to hiking might find certain sections challenging. Consider the fitness level of your group.
Given the varied and sometimes steep terrain, good hiking boots are highly recommended for ankle support and grip. Walking sticks can also be beneficial for stability on technical sections. Bring water, snacks, and appropriate clothing for the weather conditions.
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