Natural monuments around Thulay feature a diverse landscape with geological formations and water features. The region offers opportunities to explore natural springs, rock formations, and scenic viewpoints. These natural attractions provide insights into the local geology and natural heritage. Thulay's natural landscape is characterized by its varied terrain, including valleys and forests.
Last updated: July 4, 2026
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The Roches fountain is a natural fountain formed by a limestone rock called tuff or travertine, which creates a beautiful waterfall of water. The fountain is located at the foot of a cliff, near the village of Roches-lès-Blamont, which sits on a rocky promontory overlooking a valley. You can access the fountain by following a path that leaves the village and goes down to the stream. The hike is approximately 2 km and takes approximately 45 minutes. You can enjoy the view of the fountain and the surrounding forest, as well as the historical and cultural heritage of the village, which includes some old buildings and monuments. The fountain is particularly impressive after heavy rains, when it flows abundantly and creates a veil of water above the tuff.
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A place where tranquility reigns supreme.
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The source of the Doue is located behind an old mill which once used dynamite from the water to grind the cereals of the region. During the hot summers, the place turns into a haven of freshness.
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Natural arch at the end of a Jura valley. The Sarrazin Bridge takes its name from the legend of Allima, well known in the country.
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Gathering of megaliths known since the 1850s. Function and dating are unknown, but installation certainly predates the Gauls. Also called "Cromlech des Fourneaux".
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Around Thulay, you can discover a diverse range of natural monuments, including natural springs, impressive rock formations, and scenic viewpoints. Highlights include the refreshing Doue Spring, the legendary Pont Sarrazin Natural Arch, and the unique Fontaine de Roches.
Yes, the Fontaine de Roches is considered family-friendly. It features a natural fountain formed by limestone rock, creating a beautiful waterfall. The hike to reach it is approximately 2 km and takes about 45 minutes, making it suitable for families.
For breathtaking views, visit the View of the Doubs Valley Between Les Grottes and Vaufrey. This viewpoint offers clear panoramas of the Doubs valley and is located near the Swiss/French border. The Doue Spring also offers a serene and picturesque setting.
Yes, the Cromlech des Fourneaux is a notable site, featuring a gathering of megaliths. Its function and dating are unknown, but its installation certainly predates the Gauls, offering a glimpse into ancient history. Additionally, the Pont Sarrazin Natural Arch is associated with local legends.
The region around Thulay is excellent for outdoor activities. You can find numerous routes for hiking, road cycling, and touring bicycle. For hiking, explore trails like the 'Fontaine de Roches Loop' or 'The Source of the Doue – Doue Spring loop'. You can find more details on routes in the Hiking around Thulay guide.
Yes, there are several hiking trails available. For example, you can hike to the Fontaine de Roches on an easy 2 km path. Another option is the 'The Source of the Doue – Doue Spring loop' which takes you to the refreshing Doue Spring. Discover more hiking options in the Hiking around Thulay guide.
Visitors particularly appreciate the tranquility and refreshing environment of places like the Doue Spring, especially during warmer periods. The clear views from spots like the View of the Doubs Valley are also highly praised for their beauty.
Yes, the Pont Sarrazin Natural Arch is a prominent natural arch located at the end of a Jura valley. It's a unique geological formation with local legends associated with it.
The Doue Spring is particularly refreshing during hot summers, making it an ideal spot for a cool escape. The Fontaine de Roches is most impressive after heavy rains when it flows abundantly, creating a veil of water.
Yes, the Doue Spring is a beautiful waterfall located behind an old mill. The Fontaine de Roches also features a natural fountain that forms a beautiful waterfall of water over limestone rock.
Thulay is known for its diverse geological formations. You can find natural springs like the Doue Spring and the Fontaine de Roches, which is a limestone rock formation. The Pont Sarrazin Natural Arch is another significant rock formation, and the Cromlech des Fourneaux features ancient megaliths.


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