Best caves around Fahy offer diverse underground experiences. This region features a variety of geological formations, from active cave systems to karst sinkholes. Visitors can explore natural monuments and trails that incorporate cave features. The area provides opportunities for both casual exploration and more challenging caving activities.
Last updated: June 28, 2026
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Depending on the water level, the lower entrance of the cave can be explored more or less dry.
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Impressive grotto under Millandre The active, vadose cave has been scientifically well studied. It is located in subhorizontal, fossil-bearing limestone. The cave river Milandrine flows through it, has a measured length of 10,520 meters and a vertical extension of 135 meters. https://de.wikipedia.org/wiki/Grotte_de_Milandre
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Well-kept dinosaur park with moderate admission. A combination ticket including the cave can also be purchased (7 degrees). The circular route is about 2km and can also be easily managed with prams. Have fun 🦕
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The Trou du Creugenat is a karst hole in the Ajoie from which water emerges and which creates a temporary river, the Creugenat, during floods. The periodic lake forms between 4 and 10 times per year, the river is sometimes only visible for a few hours, sometimes over a week. The flow can reach 15 to 20 m3/s. The water follows the Courtedoux plain and flows into the Allaine at Porrentruy. When dry, the depth of the hole is clearly visible - simple steps lead to the bottom, and a thick rope helps you climb up or down. There is a water level gauge on the side of the rock walls and you can clearly see the mud traces of the last floods. In the immediate vicinity of the hole there is also a picnic area with a table and benches, as well as an improvised fire pit. A meadow path leads from the bike path to the hole.
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An adventurous path leads through the small gorge. There are several small caves along the way and the highlight is to climb the steep step with the help of three solid wooden ladders. Only feasible for dogs if you can carry them or take them piggyback. The slippery round wood of the ladders gives even very skilful dog paws little support, so the four-legged friend needs support.
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Small road from Vaufrey am Doubs (France) to Réclère (Switzerland). At the "Pass" with restaurant, campsite, grotto and theme park. More information: http://www.prehisto.ch/index.php/fr/
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For a family-friendly outing, consider visiting Réclère Caves and Prehistoric Park. It offers a well-maintained dinosaur park alongside the cave experience. A combination ticket is available, and the circular route is about 2 km, suitable even for prams. In County Mayo, the Pigeon Hole Cave near Cong is also popular and accessible, offering a blend of natural wonder and local folklore.
Yes, Kelly's Cave in Cong, County Mayo, is recognized as a National Monument and is steeped in history. It's believed to have been used as a refuge during the 1798 Rebellion and potentially even during the Penal era. Its suggested prehistoric use adds another layer of intrigue to this limestone cave.
The region offers diverse geological features. Ballymaglancy Cave, for instance, boasts colonial coral embedded in its floor, rimstone pools, and a 3-meter high waterfall, along with unique 'fretted' limestone walls. The Pigeon Hole Cave showcases a subterranean stream that connects Lough Mask to Lough Corrib, a unique hydrological feature. You can also observe karst formations like the Trou du Creugenat Karst Sinkhole, which forms a temporary river during floods.
Yes, Ballymaglancy Cave (Pollwalter) is a substantial underground system best suited for experienced cavers. It is prone to flooding, especially during wet weather, and is not a managed show cave. Similarly, exploring Kelly's Cave is advisable with an experienced caver due to potential hazards like sudden flooding.
The area around Fahy offers various outdoor activities. You can find numerous hiking trails, including easy to moderate routes like the 'Doue Spring – Abbévillers loop'. There are also MTB trails and running trails available, catering to different difficulty levels.
On the dramatic north coast of County Mayo, you'll find the Sea Caves at Downpatrick Head. These are natural sea caves carved by the Atlantic Ocean, set against spectacular coastal scenery including the iconic Dún Briste sea stack. While direct exploration of these caves can be hazardous due to tidal conditions, the site itself is highly recommended for its breathtaking views and raw natural beauty.
The Pigeon Hole Cave near Cong is a captivating limestone cavern accessed via a steep descent with steps and a handrail. A subterranean stream flows through it, and it's known for pigeons nesting there. It's easily accessible and part of scenic woodland walks. Visitors are advised to wear appropriate footwear due to the potentially slippery path.
Yes, the Caves Road is a trail that connects Vaufrey am Doubs (France) to Réclère (Switzerland), passing by a grotto and a theme park. Additionally, Échelle de la Mort features an adventurous path through a small gorge with several small caves, requiring climbing steep steps with ladders.
Visitors appreciate the diverse experiences offered, from the well-kept dinosaur park and cave combination at Réclère Caves and Prehistoric Park to the adventurous path and small caves along Échelle de la Mort. The impressive grotto of Milandre Caves and the unique karst features of the Trou du Creugenat Karst Sinkhole are also highly regarded.
Yes, Kelly's Cave in Cong is recognized as a National Monument due to its historical significance. Additionally, the Milandre Caves are an impressive grotto under Millandre, and the Trou du Creugenat Karst Sinkhole is a notable natural monument showcasing unique geological processes.
The best time to visit depends on the specific cave. For caves like Ballymaglancy, which are prone to flooding, it's crucial to avoid wet weather. Generally, drier periods are safer for cave exploration. For accessible sites like Pigeon Hole Cave, good weather enhances the scenic woodland walks around it. Always check local conditions and specific cave accessibility before planning your visit.


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