Best natural monuments around Voissant are found within the Isère department of France, a region known for its natural beauty. Voissant is situated within the Chartreuse Regional Natural Park, offering a landscape characterized by mountains, forests, and diverse ecosystems. This area provides a range of outdoor activities and opportunities to appreciate its natural heritage.
Last updated: July 2, 2026
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Magnificent view of the heart of the Chartreuse region, the plain of St. Laurent du Pont, and Mont Blanc in the background, seemingly within arm's reach. The access path via the ridge that connects to Outheran is very straightforward. The climb from St. Jean de Couz on the SW side is quite complicated. The path is barely visible and rather difficult to follow on a very steep face. The final section leads up a very steep couloir, through a slippery and unstable scree slope. Furthermore, the exposure to falling rocks is quite significant; extreme caution is required (helmet recommended). The final section consists of short climbing sections and very steep ascents in fairly exposed grassy terrain (fairly straightforward, but exposed).
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Beautiful bridge over the gorge
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As you travel to the Grenant stream above La Bridoire, you will discover a hidden stream that winds through a lush and tranquil forest in the heart of the Chartreuse mountains. The area around the stream is teeming with wildlife and you will often see birds and other woodland creatures. As you listen to the soothing sound of flowing water, let your mind escape into nature.
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Large waterfall on the ascent of Mont Grelle or Beauvoir
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The Col des Égaux is a pass in the Chartreuse massif at an altitude of 958 m and located in the south of the Savoie department.
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Very beautiful panorama of the Chartreuse seen from the north-west, with Mont-Blanc in focus to the north-east, the Belledonne massif behind the Chartreuse and the foothills of the Vercors to the south, as far as Obiou which can be seen when the weather is nice. And all after a short climb, with a few slightly steep passages however...
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Pretty summit culminating at 1,621 meters above sea level in the north of the Chartreuse massif.
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For a family-friendly experience, consider the Old Saint-Martin Bridge, which allows passage across the narrow gorges of Guiers Vif. The area around the bridge is suitable for exploration. Additionally, the Chartreuse Regional Natural Park, where Voissant is located, offers many gentle paths like the Chemin des marais, a hard gravel trail through the Paladru Nature Zone, perfect for leisurely outdoor enjoyment and picnics.
For rewarding panoramic views, head to La Cochette Cross, a summit culminating at 1,621 meters above sea level in the north of the Chartreuse massif. Another excellent spot is the Col des Égaux, a shaded mountain pass offering great vistas.
Yes, the Old Saint-Martin Bridge is a historical site that spans the splendid gorges of Guiers Vif. It's a very old and beautiful bridge that once provided passage across the gorge, offering a glimpse into the region's past infrastructure amidst dramatic natural scenery.
The area around Grenant Stream is known for its abundant wildlife. As the stream winds through a lush and tranquil forest in the heart of the Chartreuse mountains, you will often see birds and other woodland creatures. The entire Chartreuse Regional Natural Park is a protected area with diverse ecosystems, making it a good spot for wildlife observation.
The region around Voissant offers a variety of outdoor activities. You can explore gravel biking routes like the 'Lac de Paladru – Our Lady of the Vines loop' or mountain biking trails such as the 'Col des Mille Martyrs – Lake Saint-Sixte loop'. For road cycling, consider the 'Col de la Cluse – Gorges du Guiers Vif loop'. You can find more details on these and other routes in the gravel biking, MTB trails, and road cycling guides for Voissant.
Yes, you can visit the Waterfalls of the Ruisseau de la Pissoire. These superb waterfalls are nestled in the woods and provide an ideal spot to cool off during a hike or a day trip. They are located on the ascent of Mont Grelle or Beauvoir.
The Gorges du Guiers Vif are a dramatic natural highlight with sheer rock faces and a powerful river. You can experience their grandeur from a balcony road clinging to the cliffs above, or from an older, smaller road that runs along the Guiers Vif river below, offering impressive views. The Old Saint-Martin Bridge also provides a crossing point over these splendid gorges.
The Col des Mille Martyrs, while a mountain pass, is known for its accessibility, offering pleasant ascents and descents with shaded paths and scenic vistas. For a very accessible option, the Chemin des marais in the Paladru Nature Zone is a hard gravel path that provides a tranquil environment for leisurely walks and picnics.
The Chartreuse Regional Natural Park is a vast protected area that encompasses Voissant and its surroundings. It's characterized by significant natural beauty, including mountains, forests, and diverse ecosystems. Many of Voissant's natural monuments, such as Grenant Stream and La Cochette Cross, are situated within this park, offering a wide range of outdoor activities and a deeper appreciation for the region's natural heritage.
Absolutely. The Grenant Stream offers a hidden, tranquil forest setting where you can listen to the soothing sound of flowing water and escape into nature. The Chemin des marais, a trail through the Paladru Nature Zone, also provides numerous picturesque and peaceful spots perfect for a picnic or quiet contemplation.
Visitors particularly appreciate the stunning panoramic views from summits like La Cochette Cross and the dramatic scenery of the Gorges du Guiers Vif. The tranquil forest setting and wildlife around Grenant Stream are also highly valued for their natural beauty and peaceful atmosphere.


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