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First major route (150 meters in total) at Bonnes Fontaines in the Swiss Jura massif. West Ridge & La Nostalgique West Ridge The ridge route is very exposed and presents difficulties varying from 2a to 4c+. The total height of the ridge ascent is 120 meters. Warning!! Rockfalls are frequent so a helmet is essential. The route does not have any belays, so it is imperative to take screwgate carabiners and slings with you to be able to build your belays. Many trees are present which will help you build your belays. La Nostalgique Slab climbing and pillar climbing presenting difficulties varying from 5b to 5c. Quite varied and exposed route. This route with a total height of 90 meters has 3 chained relays, it is done in 3 lengths of 30 meters (my rope and I abseiled from the summit to the second relay to climb the last length of 30 meters). Attention!! The main danger is falling rocks. From the summit, the descent can be done either by abseiling or by the extraction trail. #mountains #climbing #switzerland #rockclimbing #outdoors #adventure #escalade #alpinisme