Best natural monuments around Cize include diverse geological features and historical sites. The region offers unique natural formations, from ancient caves to paleontological discoveries. Visitors can explore impressive waterfalls and distinctive rock formations, showcasing the area's varied natural beauty. These sites provide opportunities to experience the natural environment of the Jura department.
Last updated: June 19, 2026
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The dozens of footprints found at this site date back 150 million years. They correspond to traces of sauropods that lived in the Jurassic.
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An active water cave that is locked. Only the cavers have access here.
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Hidden in the moss-covered woods, this magical cave is a sight to behold. Although it is no longer permitted to enter the cave, its entrance is spectacular. Inside the cave there are submerged sections that have been explored by divers.
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Lake Nantua is of glacial origin and is 141 hectares. The limestone cliffs offer a magnificent contrast with the emerald or sapphire water, depending on the day. Alexandre Dumas described it in his books as “the pretty little sapphire blue lake held in like a jewel, which nature fears to lose”. Bathing enthusiasts, this will be your favorite site in the region!
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At this place, the surface of the rock is wavy, so much so that from afar it looks like a corrugated sheet.
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Starting from the hamlet of Bombois on the left bank of the Ain valley, a family walk in the forest leads to this waterfall with its funny name. Find "8 walks around water" in a booklet on sale for €2 at the Tourist Office
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Villette dinosaur footprint paleontological site, was discovered in 2003, then identified as such in 2010. This site of scientific interest is unique and fragile. Certified Kimmeridgian dinosaur footprints, dating back 150 million years BC.
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beautiful lake with refreshments in Nantua
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Near Cize, you can discover a variety of unique natural monuments. These include the Grotte de Corveissiat, an active water cave with a spectacular entrance, and the Dinosaur Footprints of Villette, a rare paleontological site with 150-million-year-old Sauropod traces. You can also find the Ondulated Rock Formation, known for its distinctive wavy surface.
Yes, several natural monuments are suitable for families. The Dinosaur Footprints of Villette offers an engaging historical experience for all ages. Another great option is the Cascade de la Pisse Vache, which can be reached via a pleasant family walk through the forest. The shores of Lac de Chalain also offer sandy beaches and water sports, while Lac des Rousses provides activities like pedal boating in summer and ice skating in winter.
The region boasts several stunning waterfalls. Besides the Cascade de la Pisse Vache, which is accessible via a forest walk, you can visit the impressive Cascade de la Billaude. This double waterfall plunges 28 meters into a rocky amphitheater and offers multiple viewpoints. Further afield, near Saint-Claude, is the 60-meter-high Cascade de la Queue de Cheval, reached by a marked forest trail.
The Jura region near Cize is famous for its glacial lakes. You can explore the picturesque ensemble of the Four Lakes (Lacs de Maclu, Lac d'Ilay, and Lac de Narlay), each with unique characteristics. Lac de Chalain is the largest, known for its turquoise waters and prehistoric sites. Lac de Bonlieu is considered one of the wildest, while Lac des Rousses, at over 1000 meters altitude, is surrounded by unique peat bogs. The Lacs d'Étival are characteristic wetlands nestled in the forest.
Absolutely. The Dinosaur Footprints of Villette is a significant paleontological site, showcasing traces of Sauropods from 150 million years ago. Additionally, Lac d'Ilay has archaeological evidence of human occupation since the Neolithic period, and Lac de Chalain is notable for its prehistoric pile-dwelling settlements, which are a UNESCO World Heritage site.
The area around Cize offers diverse outdoor activities. You can find numerous hiking trails, such as those around Lac de Narlay or Lac de Bonlieu, and a 4 km path around Grand Lac d'Étival. For more extensive hiking, check out the Hiking around Cize guide. Mountain biking is also popular, with routes like the 'Corveissiat Cave – Cize-Bolozon Viaduct loop'. Explore more options in the MTB Trails around Cize guide. Water sports are available at Lac de Chalain and Lac des Rousses.
Yes, the region is rich in geological wonders. The Ondulated Rock Formation is a prime example, with its distinct wavy surface. The glacial lakes themselves, like Lac de Narlay (the deepest of the Jura lakes) and Lac de Bonlieu with its dark blue waters, are products of significant geological processes. The gorges of the Lemme River, where Cascade de la Billaude is located, also showcase impressive rock formations.
Swimming is generally permitted in some lakes, but it's important to check local regulations. Lac de Chalain offers sandy beaches and is popular for swimming. Lac des Rousses also allows swimming in summer. However, swimming is prohibited in certain areas of Lac d'Ilay to protect wildlife, and it is generally not allowed in the Lacs d'Étival due to their fragile wetland ecosystem. Always look for signage and respect protected zones.
The Lacs de Maclu (Grand Lac Maclu and Petit Lac Maclu) are part of the picturesque Four Lakes ensemble. They are notable for their beautifully preserved edges, featuring meadows, peat bogs, and forests. Their surroundings boast a rich and diverse flora, including rare species. A 12 km 'tour of the four lakes' following the GR59A path allows visitors to explore their natural beauty.
Visitors particularly appreciate the diverse natural beauty and the opportunities for exploration. The Grotte de Corveissiat is admired for its spectacular, hidden entrance in moss-covered woods. The Dinosaur Footprints of Villette are valued for their unique historical significance. Many also enjoy the family-friendly walks leading to waterfalls like the Cascade de la Pisse Vache, and the serene beauty of the glacial lakes.
Yes, several sites are important for wildlife. The Lacs de Maclu and Lac d'Ilay are protected Natura 2000 and Ramsar sites, emphasizing the preservation of their delicate ecosystems and diverse flora. Lac des Rousses, surrounded by peat bogs, has significant biological value and a themed trail to discover its unique flora and fauna. Lac de Bonlieu is also a protected site due to its fragile natural environment.


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