Best natural monuments around Cusance are primarily located within the Cusancin Valley, a region shaped by its limestone geology and the Cusancin River. This area features several natural springs and elevated viewpoints. The valley itself is a notable natural gem, providing a cool environment during warmer months. It offers a setting for exploring various natural formations.
Last updated: June 21, 2026
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an impressive rocky landscape right on the bike path
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The blue spring is a Vauclusian spring which emerges in an oval basin. Its depth is nine meters. Divers explored the submerged gallery over a length of 220 meters before stumbling upon a narrowing which was not crossed. The gallery is made up of two siphons. The turquoise blue waters give it its name.
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On the EuroVelo 6 along the Doubs and Rhine-Rhône Canal to Baume-les-Dames. Beautiful scenery, excellent cycle path, pleasant rest stops. More information: de.eurovelo.com/ev6/france
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Magnificent panoramas at an altitude of 455 meters. We can also see the Babre slot nestled in the Lavenne woods.
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As the name suggests, this water is crystal clear sea blue. Is it worth visiting and maybe taking a dip?
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High grotto with wonderful limescale deposits - accessible via a metal ladder even without equipment. The grotto does not lead deep into the rock, the daylight is sufficient, you do not need a flashlight. It is freely accessible to everyone.
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At the top of these cliffs, the Saut de Gamache belvedere overlooks the Doubs valley. It allows you to discover Baume-les-Dames nestled between the hills and the village of Esnans below.
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The Cusancin Valley is a natural gem, characterized by the Cusancin River carving through limestone. You can discover numerous meanders and natural dams, locally known as nassis, which create small waterfalls along the river's course. The valley also hosts several natural springs, including the vivid La Source bleue.
La Source bleue is a Vauclusian spring emerging in an oval basin, known for its striking turquoise blue waters. It has a depth of nine meters, and divers have explored its submerged gallery for over 220 meters. Its vibrant color makes it a picturesque spot.
Yes, in addition to La Source bleue, the Cusancin Valley is also home to the Green Spring (La Source Verte). This spring presents as a smaller, wilder torrent and, like the Blue Spring, contributes to the valley's serene ambiance and is easily reachable on foot.
For magnificent panoramas, visit the Roche de Chatard Viewpoint, which offers views from an altitude of 455 meters, including the Babre slot. Another excellent spot is the Saut de Gamache Viewpoint, which overlooks the Doubs valley, providing views of Baume-les-Dames and the village of Esnans. The Saint-Ermenfroi Chapel, perched on a rocky promontory, also offers beautiful panoramic views of the Cusancin Valley.
Yes, you can explore the Grotte Sous Buen. This high grotto features wonderful limescale deposits and is accessible via a metal ladder. Daylight is sufficient inside, so you don't need a flashlight, and it's freely accessible.
The area around Cusance offers various outdoor activities. You can find numerous hiking trails, including a recommended 12 km hike that takes you to both the Blue and Green Springs and the Saint-Ermenfroi Chapel. There are also many routes for mountain biking and running. For more details on routes, you can explore the hiking guide, MTB guide, and running guide for Cusance.
Yes, there are several hiking trails. A popular option is the 12 km hike starting from the village church, which leads to both the Blue and Green Springs and the Saint-Ermenfroi Chapel. Shorter, easier routes like the 'The Blue Spring – Saint-Erminfroid Chapel loop from Cusance' are also available. You can find more hiking options in the hiking guide for Cusance.
Yes, the region around Cusance offers several mountain biking opportunities. Routes like 'Roche-lez-Beaupré Dam – At Baume loop from Baume-les-Dames' provide moderate challenges. For a comprehensive list of trails, refer to the MTB Trails around Cusance guide.
Many natural monuments in the area are family-friendly. For instance, the Saut de Gamache Viewpoint and the Grotte Sous Buen are suitable for families. The springs, such as La Source bleue, are also easily accessible on foot, making them good options for leisurely family strolls.
The Cusancin Valley is particularly pleasant during warmer months, as it offers a cool and refreshing environment. Spring and summer are ideal for enjoying the lush greenery, leisurely strolls, and hiking. The vivid colors of the springs are also at their best during these seasons.
Visitors frequently appreciate the magnificent panoramas from viewpoints like Roche de Chatard and the impressive rocky landscapes. The crystal-clear, turquoise waters of La Source bleue are also a highlight, often described as sea-blue. The overall tranquility and natural beauty of the Cusancin Valley are highly valued for recharging and relaxation.
Yes, the Cusancin River is a first-category river known for its trout and grayling, making it a popular spot for trout fishing. It is particularly favored by experienced anglers.


Extend your search for the best caves by checking out these guides of the top ones around Cusance: