Abîme (ruisseau) - Affluent de la Bienne walks

Starting from Montbrillant, a steady climb up to Septmoncel via the Chemin des Moines, the reward being three viewpoints: two with aerial views of the town of Saint-Claude, and the third overlooking La Roche Blanche. The paths are very easy to walk on, with no technical difficulties.

Sixteenth stage of the Échappée Jurassienne. For this last stage, you will reach Septmoncel before beginning a long descent along the Chemin des Moines to the Gorges du Flumen. Walking along the Flumen, Grosdar and Tacon rivers, you will arrive at Saint-Claude, nestled in the Jura Mountains at the confluence of the Bienne and Tacon rivers. Saint-Claude is not only the capital of briar pipes: heir to a long tradition of craftsmanship, the town has built a reputation for woodturning and diamond and gemstone cutting. Tucked away at the bottom of its valley, the town stands out for its rugged natural environment and unique heritage attractions, such as Saint-Pierre Cathedral, the Pipe and Diamond Museum, Le Monde des Automates and the Abbey Museum, a hub for lovers of modern art.

Open from 1 April to 30 November – subject to there being no snow. The GR® 9 enters the Ain department via Mijoux, before following the spectacular ridges of the Monts-Jura, passing through the Crêt de la Neige, the highest point of the massif. It then descends towards Bellegarde-sur-Valserine, crosses the Plateau de Retord, and then crosses the Grand Colombier. The trail continues its route to Culoz and the Rhône Valley, before leaving the Ain to reach Savoie and continuing southwards. Part of the route passes through the Haute Chaîne du Jura National Nature Reserve, which is subject to specific regulations. Dogs are prohibited, even on a lead, as is camping in tents. Please respect these rules to preserve the richness of this exceptional environment.

Open from 1 April to 30 November – subject to there being no snow. The section from Mijoux to the Refuge de la Loge is the first stage of the six-day hiking tour “La GTJ from Mijoux”. The GR® 9 enters the Ain department via Mijoux, before following the spectacular ridges of the Monts-Jura, passing through the Crêt de la Neige, the highest point of the massif. It then descends towards Bellegarde-sur-Valserine, crosses the Retord plateau and climbs the Grand Colombier. The trail continues its route to Culoz and the Rhône Valley, before leaving the Ain to reach Savoie and continuing southwards. Part of the route passes through the Haute Chaîne du Jura National Nature Reserve, which is subject to specific regulations:Dogs are not permitted, even on a lead. Camping in tents is also prohibited. Please respect these rules to preserve the richness of this exceptional environment.

Open from 1 April to 30 November - subject to snow conditions The second stage of the 3-day, 2-night Crêts en Combes hiking tour. Starting from Lélex, this circular route combines the main GTJ route with the suggested alternative via Mijoux and the Col de la Faucille. The crossing of the Hautes-Combes jurassiennes, the Valserine valley and the crests of the Haute Chaine du Jura promise breathtaking landscapes. On one side, the view overlooks the ridges, on the other, it overlooks Lake Geneva and the Alps. In the heart of the Haut-Jura Regional Nature Park and partly in the Haute Chaîne Nature Reserve, the hike takes place in a preserved natural area. The trail is marked with red and whiteGR®® signs.

Open from 1 April to 30 November, subject to snow conditions. From Mijoux to the Refuge de la Loge via the Haute Chaîne: second stage of the two-day "Le balcon du Léman"hiking tour. An exceptional route through the highest peaks of the Jura mountains and the wild landscapes of the Haut-Jura plateau, with spectacular panoramic views of Lake Geneva and the Alps from the highest peaks of the Jura mountain range. These wild spaces full of surprises and wonders will make this multi-day hike unforgettable. Part of the route crosses the Haute Chaîne du Jura National Nature Reserve, which is subject to specific regulations:Dogs are not allowed, even on a leash, and camping in tents is also prohibited.Please respect these rules to preserve the richness of this exceptional environment.

Open from 1 April to 30 November – subject to snow conditions. From Mijoux to the Refuge de la Loge via the Haute Chaîne: the third stage of the four-day multi-day hike “La Valserine enchanteresse”.From the enchanting Valserine to the summit of the Jura, this route through the high plateaus and ridges of the Jura offers magical views of the Alps from the Jura Mountains. A journey of mystery, magic and discovery…Part of the route passes through the Haute Chaîne du Jura National Nature Reserve, which is subject to specific regulations: dogs are prohibited, even when kept on a lead, as is camping in tents.Please respect these rules to preserve the richness of this exceptional environment.

Open from 1 April to 30 November, subject to snow conditions. Three-day crossing of the Haut-Jura, from Mijoux to Chézery-Forens, via the Jura ridges and the peaks of Grand Mont Rond, Crêt de la Neige and Reculet, with magnificent views of Mont Blanc and the Alps. Self-sufficient hike. Protected area: part of the route crosses the Haute Chaîne du Jura National Nature Reserve. Dogs and tent camping are prohibited. Please respect these rules to preserve this exceptional environment.

Set off on a crossing of the Haut-Jura between Mijoux and Chézery-Forens through varied landscapes of valleys, peaks and forests. Over three days, you will travel along the Jura ridges, passing by the Grand Mont Rond, the Crêt de la Neige and the Reculet, with magnificent views of Mont Blanc and the Alps. This crossing takes you to the heart of the Haute Chaîne du Jura, for an authentic experience in the heart of nature. As you will be self-sufficient in terms of food, remember to bring your own supplies so that you can enjoy this adventure to the full.

Open from 1 April to 30 November, subject to snow conditions. From Lélex to Mijoux via the Haute Chaîne:second stage of the two-day hiking tour "On the roof of the Jura mountains". From the wild Valserine valley to the balcony of Lake Geneva, this route immerses you in the authenticity of the Haut-Jura. As you cross the Hautes Combes, you will be struck by the raw beauty of the wide open spaces, the silence of the deep forests and the open horizon of the plateaus. The trail gradually climbs, revealing exceptional panoramic views of Mont Blanc and the entire Alpine range. A life-size immersion in a land of traditions and high-altitude landscapes.Please note – Protected areaPart of the route crosses the Haute Chaîne du Jura National Nature Reserve, which is subject to specific regulations:Dogs are not permitted, even on a lead.Camping in tents is prohibited.Please respect these rules to preserve the richness of this exceptional environment.