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Illy walks
Circuit du Mortehan
This forest route follows a variety of paths, including many sections of the Pays Sedanais mountain bike routes and various forest trails in Villers Cernay, Francheval and Pouru-aux-Bois.The elevation changes are not excessive and the numerous streams that line the route add a special charm to this route.
This is a difficult route requiring some portage.
In the Mortehan forest: the four streams, La Roche au Sel, the Gros Chêne
22 October 2025: first part of the route revised due to the recent installation of a fence on a forest plot.
An exclusively forest route, sometimes wild, near Belgium. Especially in its first part, it takes in natural areas that are rarely visited. Modest streams have carved out a surprising landscape here. La Roche au Sel, Le Gros Chêne, and L'Étang la Motte are worth a quick look in the second part of the route.
Le Rocher du Pendu and Les Augustins via the Passerelle de l'Épine footbridge
A loop between Corbion and Bouillon, on both banks of the Semois. A castle, an abbey, viewpoints and the crossing of the Semois on the magnificent Passerelle de l'Épine footbridge.
In the Semois valley near Corbion
This short, mainly forest walk will take you close to the Semois river and offer beautiful views of its winding valley.
Poupehan, Rochehaut and the Frahan ridges
Three villages on the banks of or overlooking the Semois, where you can explore ridges, ladders and viewpoints.
The Frahan ridges in all their glory
This route combines rural exploration, panoramic views, rocks and forest single trails, between the water's edge and rocky passages. Although the outward journey is not particularly difficult, please note that the ridge crossing is a demanding section that should not be underestimated!
Loops west of Bouillon along the Semois
This is a fairly long hike through the woods, with good paths and signposted trails. There are some nice climbs and numerous views of the Semois, the Ardennes forest and Bouillon.
When crossing the Épine suspension bridge
From the Pont de Cordemoy, climb the Auclin hill to discover its viewpoints and belvedere. Continue on to the viewpoints of the Abbaye Notre-Dame and L'Épine. Cross the 55-metre-long suspension bridge over the Semois at the Moulin de l'Épine. Set off to discover the viewpoint of the Rocher du Pendu, the botanical and geographical arboretum and finish with a view of Bouillon Castle from La Ramonette.
From Bouillon Castle to Sedan Castle
This fully signposted cross-border trail links Bouillon Castle in Belgium to Sedan Castle in France.
This is one of the possible return routes for the hike from one castle to another across the border, hike no. 36479520
After following the Semois river, you will climb up to Corbion, a small village perched high in the municipality of Bouillon. Then, after crossing the border stream near the "Maison Verlaine", you will join the old Bouillonnais road, which will take you gently to the Sedan region.
Circular of the great REX from Botassart
Circular passing by the resting place of the great L.D.
A route with elevation changes and beautiful scenery, but not too difficult. You can even avoid getting your feet wet. About 4½ hours of walking at a good pace.
In the Ardennes, on the smuggling trails
This hike will take you to the border valley of the Ruisseau du Bois Jean, which was once a hotspot for encounters, fraud and smuggling. The Baraque Laurent, the only one still standing, has now been converted into a lodge for groups. The other three huts have disappeared, but their ruins are still visible.
Serenity in the woods around Cornimont.
Cornimont is the smallest village in the Bièvre area (46 inhabitants). It is every bit as charming as Gros-Fays, which is on the list of Belgium's most beautiful villages, with its schist stone houses and beech forest.
Ardenne-Gaume Nature Reserve
Also known as: Bohan-Membre Park. The valley is very steep-sided, with steep slopes, but part of the hike will be along the Semois and on the ridges.
"La Table des Fées" walk in Bohan
The Table des Fées walk in Bohan is a circular route marked by yellow diamond signs, offering an immersion in the Ardennes countryside. The trail crosses the Basse Semois nature reserve, revealing legendary rock formations such as the Châtelet, the Cheminée and the Table des Fées. Hikers are rewarded with impressive views of the Semois valley.
Walk from "La Croix" in Bohan
The walk from La Croix to Bohan is a 5.2 km loop starting from the church, marked in red, white and red. A steep path leads to a cross offering a superb view of the Semois valley. The route continues through a peaceful forest to the La Cuve viewpoint, then gently descends back to the village. Ideal for lovers of nature and unobstructed views.
Walk around Bohan
La Croix viewpoint and La Cuve viewpoint offer two beautiful views of the Bohan hills, which you can explore before returning via the Sahu woods.
Around the village of La Forêt
An easy walk around the village of La Forêt, starting from Vresse-sur-Semois and passing by the Sentier des Légendes and the Pont de Claies (uphill in summer, otherwise take the alternative route on the way back).
Vresse-sur-Semois - Membre following the Semois
An easy walk between Vresse and Membre, following the left bank of the Semois and returning halfway up the valley via the GR®®.
Neufmanil - Gespunsart along the Goutelle
A route through the woods that alternates between flat terrain at the start, rough terrain on the way back and balcony passages following the undulations and curves of the terrain, with occasional views of the valley through the trees.
Walk along the Semois from Bohan to Alle
An easy and peaceful route following the meanders of the Semois, mainly on cycle paths (RAVeL) and small, quiet roads. From Bohan, follow the river towards Vresse, Mouzaive and Alle-sur-Semois, with beautiful views of wooded hills, typical villages and picturesque bridges. The perfect route for a family outing or a contemplative stroll, with the option of picnicking by the water.
Walk along the Kelhan footbridge and the Membre tunnel in Bohan
Discover a beautiful walk combining nature and heritage between Bohan and Membre, in the Semois valley. The Kelhan footbridge, suspended above the river, offers direct access to peaceful forest trails with superb views of the meandering Semois. Continuing towards Membre, the route takes you to the old railway tunnel connecting the two villages. Approximately 1.5 km long, this disused, dark and cool tunnel impresses with its unique atmosphere. It is advisable to bring a torch. This easy and original circular route combines Ardennes landscapes, railway heritage and the charm of small villages.
Col du Loup and Bois des Hazelles
Hike with no significant elevation gain, suitable for inexperienced walkers. Route mainly on forest trails. Beautiful views of the Semoy and the entrance to Hautes Rivières, at the Robertsart site, at the paragliding launch site.
Moderator's note : it seems that private property shortly afterwards (12) makes it necessary to return via the D13, see reviews.
The Jambon viewpoint from the heights of Vresse
Discover a viewpoint above a bend in the Semois river at Bohan. The route starts from the hamlet of Terne, above Vresse. After passing the viewpoint, the route winds along the top of the Semois hillside to reach the Col de Conrad and then the Flachi Chapel.
Circular Ardennes starting from Vresse-sur-Semois
Ups and downs in terms of terrain, but not at all in terms of relationships, quite the contrary! The Namur Ardennes, on the Semois side, is very hilly!The route will test your calves, so it is best to avoid it in wet weather and to follow it in the suggested direction rather than in the opposite direction.
Around the Hautes Rivières and Nohan sur Semoy
This route, located at the beginning of the French Semoy Valley, will give you access to four viewpoints that will allow you to discover Les Hautes Rivières, Nohan and the Crête du Château de Linchamp from different angles. It will give you the opportunity to admire a landscape shaped by the river and its tributaries.
East of Navaux
A forest trail starting from a small village in the Semoy Valley. La Roche au Pihü, Les Dames de Semoy and the Robessart viewpoint offer magnificent views of the valley's relief.
Defoy educational trail
A very easy family walk with footbridges, pontoons, springs, a pond and different species of trees. Twelve stages to discover mark this circular loop, which is as beautiful in autumn as it is in summer. Mobile app "Luna and the Guardians" for an interactive experience.
Roc la Tour from Thilay
This hike will take you along forest paths to a spectacular geological site hidden in the heart of the Château-Regnault National Forest.
From one height to another around Thilay
This hike offers a variety of routes, allowing you to visit Roc la Tour and perhaps even meet the Ladies of Semoy. Changes to the route between (9) and (11) made on 27/7/2025 due to the closure of the Naux footbridge.
Le Roc la Tour in the Château-Regnault Forest
For those who enjoy forests and elevation changes, and at the heart of the walk, the Roc la Tour is characterised by its quartzite columns, likely remnants of the Château du Diable. Here, you can enjoy a magnificent view of the Ardennes forest.
The Big Oak from Thilay
A short, mainly woodland route around Thilay and Naux. You will discover the old Moulin de la Gire mill, the former hamlet of Narbruay, and the Maison du Père Labranche. This walk also includes two viewpoints over Nohan, on the ridge of the Château de Linchamps.
Short circular in the Semoy valley
Set in lush green surroundings, this is an easy little route, ideal for getting back into exercise after a period of inactivity.
La Roche à Sept Heures
With a fairly challenging first section through the forest and a more leisurely second section along the Meuse and Semoy rivers, this route has two main destinations:
- the Roc la Tour site, a vast quartzite massif,
- and La Roche à Sept Heures, located at the top of rocky spurs overlooking the Meuse.
The viewpoint at this site offers a very picturesque panorama of the meander, considered to be the most spectacular in France, on the convex side of which Monthermé was built.