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A less frequented and less direct approach to the highest point in the Jura than the traditional routes. Once you reach the ridge, you'll find yourself back among people, and the descent offers several options depending on the ski slopes.

A challenging approach to a summit offering a 360° view of Lake Geneva, the Alps and the Jura. The Pas de L'Échine, a tricky and steep but very popular passage, provides direct access to the ridge in a beautiful setting. The best time to visit is in May, when it is still partially snow-covered and you have to squeeze between the snow and the rock face. However, it is strongly advised not to venture onto the nearby slopes, which are very exposed.

The walk is so named because part of it was laid out by the military engineering corps to provide a link in the country’s defence system prior to theSecond World War. This circular route runs mainly through woodland, which provides shade in summer, and offers a few views over Lake Geneva and the Alps. The route follows unmarked tracks and paths, with a few steep sections and a short stretch across a path in poor condition. It is accessible outside the snow season.

One of many routes to reach this distinctive summit with its radar station visible from anywhere in the Lake Geneva basin. Magnificent panorama from the Eiger to the Écrins, via Mont Blanc and Lake Geneva (orientation table). Chamois galore for early risers, rarer during the day due to high visitor numbers. Marked route, also accessible in winter with snowshoes or cross-country skis, with a few variations.

Starting from Jasseron, a climb through the forest leads to the Cuiron viewpoint (view over the Bourg plain), which then drops down to the Ramasse valley and on to the village. From there, a good path climbs up to the Chapelle des Conches and its panoramic views before returning to Jasseron. There are a few possible variations to enhance the route.