Natural monuments around Arnex-sur-Orbe offer diverse landscapes in the Swiss canton of Vaud. The municipality features the tranquil Étang d'Arnex and is partially home to the Gorges du Nozon, characterized by steep cliffs and geological formations. The region provides access to extensive natural areas, including the Gorges de l'Orbe and the Gorges de Covatannaz, which are known for their rivers, waterfalls, and panoramic views. These sites present opportunities for exploring varied natural habitats and geological features.
Last updated: June 26, 2026
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The Creux de Terre near Yverdon-les-Bains is an impressive karst sinkhole and also a significant nature reserve. The basin was formed by geological processes in which limestone sank, forming a funnel-shaped basin. Today, the area is home to moist meadows, ponds, small forests, and rich biodiversity. Amphibians such as frogs, toads, and newts find ideal living conditions here. Numerous bird species also breed or rest in the reserve. Walking trails with information panels lead through the basin and explain its geology, flora, and fauna. The Creux de Terre is easily accessible from nearby Yverdon.
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Mountain biking is prohibited in these forests! This is a natural forest reserve. This notice is issued by the Pro Natura association, owner and manager of the site. Thank you for your commitment to nature.
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The Tine de Conflens is an idyllic waterfall in the middle of nature between Ferreyres and La Sarraz.
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An idyllic place that changes from spectacular to romantic depending on the water level of the "Nozon". Only during the holiday season and when the weather is nice at the weekends is an increased crowd to be expected.
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You cannot reach the bottom part by bike but you can arrive not far away.
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Superb fall in the middle of the forest, beautiful communion with nature.
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Thank you for these beautiful photos and video of the Tine de Conflens. Looking forward to discovering this gem.
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Within Arnex-sur-Orbe, you can find the tranquil Étang d'Arnex, a natural lake perfect for a peaceful stroll. The Gorges du Nozon also partially lie within the commune, offering impressive geological formations and the picturesque Dard Waterfall.
Yes, the Creux de Terre Nature Reserve is an excellent family-friendly option. It features several ponds where you can observe diverse bird species and other wildlife. There are also walking trails with information panels, making it an educational and engaging visit for all ages.
The region boasts diverse geological features. The Gorges du Nozon are characterized by steep cliffs and formations of limestone, marl, and morainic deposits. The Creux de Terre Nature Reserve is a significant karst sinkhole, formed by geological processes. Further afield, the Gorges de Covatannaz feature impressive cliffs and rapids carved by the Arnon river.
The area around Arnex-sur-Orbe is ideal for various outdoor activities. You can enjoy hiking through gorges and forests, with many trails available. Cycling is also popular, with numerous touring and road cycling routes. For specific hiking routes, you can explore options like the hiking guide around Arnex-sur-Orbe.
Yes, The Yellow Quarry (Former Bellerive Quarry) is a site with both natural and historical significance. It was active from the 15th to the early 20th century, providing distinctive yellow stone for local buildings. Today, it's recognized for its ecological value, serving as a refuge for various plants and animals, including threatened orchid species.
The natural monuments are beautiful year-round, but the best time often depends on your preferred activity. Spring and autumn offer pleasant temperatures for hiking and exploring the gorges and waterfalls, such as the Dard Waterfall, which is best seen when snow is gently melting or after rain. Summer is great for enjoying the tranquility of Étang d'Arnex or cooling off near waterfalls like Saut du Day in the Gorges de l'Orbe.
Visitors frequently highlight the untouched natural beauty and the sense of tranquility. Many appreciate the 'Colorado Canyon feeling' at the Dard Waterfall and the opportunity for birdwatching and nature observation at the Creux de Terre Nature Reserve. The diverse landscapes, from peaceful ponds to impressive gorges, are also highly valued.
Absolutely. The Gorges de l'Orbe, accessible from Arnex-sur-Orbe, offer an extensive protected nature reserve with trails stretching over 17 km. Here, you can hike along the Orbe River, discover natural pine forests, and observe diverse flora and fauna. For more hiking ideas, check out the hiking guide for the area.
Yes, the Aiguilles de Baulmes, though not directly in Arnex-sur-Orbe but easily accessible, offer magnificent 180-degree panoramic views. From here, you can see the Alps, Lake Neuchâtel, Lake Geneva, and the Vaud plateau, making it a spectacular destination for hikers seeking expansive vistas.
The natural monuments around Arnex-sur-Orbe are rich in biodiversity. At the Creux de Terre Nature Reserve, you can spot various bird species, amphibians, and other wildlife. The Gorges de l'Orbe are home to trout, kingfishers, grey herons, chamois, and even beavers. With a bit of luck, you might also spot a rare kingfisher in the Gorges du Nozon.
The Tine de Conflens Waterfall is often described as a mystical place. It's easily accessible and, when water levels are low, you can even reach a small sand beach by the waterfall. In extremely cold weather, it partly freezes, creating a wonderful and unique spectacle.
The Forest Trails of Bois de Chênes, Echilly are part of a natural forest reserve. It's important to note that mountain biking is prohibited here to preserve the natural environment. These trails offer small paths for walking and exploring the forest, but be mindful of other visitors, especially on weekends.


Extend your search for the best caves by checking out these guides of the top ones around Arnex-sur-Orbe: