Best natural monuments around Theux offer diverse landscapes and engaging outdoor experiences. The region features significant river valleys, impressive waterfalls, and botanically rich areas. Theux is home to several natural monuments, including gorges, rivers, and waterfalls, providing varied opportunities for exploration. These natural features contribute to the region's appeal for outdoor enthusiasts.
Last updated: June 26, 2026
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Popular around Theux
Adventure tours, amusement park, kayaking or just marveling, there can be a lot going on here.
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The Coo waterfall is artificial. Starting from a simple waterfall that appeared in the 15th century, the monks of Stavelot Abbey dug the large waterfall, crossing a meander of the river, to protect the village of Petit-Coo. The fact remains that it is very impressive and at its height of 15 meters is the pride of Belgium.
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The name Bilisse is said to be of Celtic origin: bîl means distinctive and smooth or less and comes from Lech (stone). Hence bîllech = protruding rock! Source: https://www.sparealites.be/solwaster
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This valley is a wonderful walking adventure...
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The wonderful sound of rippling water can always be heard...
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This "bathtub" shows very well what the water can do with its natural power over the millennia.
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One of the highlights of the Ninglinspo Valley is this beautiful waterfall.
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The Theux region offers several popular natural monuments ideal for hiking. The Ninglinspo Valley is highly recommended for its picturesque walking path through nature, featuring frequent contact with rocks and water, and small waterfalls. Another excellent choice is the Hoëgne River, where a trail follows the river through an area of remarkable botanical interest, leading to features like the "Le Centenaire" footbridge and two waterfalls.
Yes, the Coo Waterfall is a great family-friendly option. It's one of Belgium's highest waterfalls, with a 15-meter drop, and a staircase allows visitors to admire the powerful flow. The area around Coo also offers adventure tours and amusement parks, making it a fun destination for all ages.
The Hoëgne River valley is known for its remarkable botanical interest, rich in liverworts, mosses, ferns, and diverse flora. As you follow the trail, you'll encounter sections where the river becomes a torrent, as well as the "Le Centenaire" centenary footbridge and two waterfalls named after King Leopold II and his wife.
Absolutely. The Theux region is home to several impressive waterfalls. The most prominent is the Coo Waterfall, an impressive 15-meter cascade. You can also find smaller, charming waterfalls along the Ninglinspo Valley, such as the Small Waterfall on the Ninglinspo, and two named waterfalls along the Hoëgne River.
Several natural monuments in Theux have interesting historical connections. The Coo Waterfall, for instance, was artificially created in the 15th century by monks. The trail along the Hoëgne River was laid out in the late 19th century and inaugurated by Queen Marie-Henriette, featuring the "Le Centenaire" footbridge and waterfalls named after King Leopold II and his wife.
Yes, the area around Theux offers numerous routes for various outdoor activities. You can find many running trails, including routes that pass by natural features. For cyclists, there are options for cycling and gravel biking that explore the diverse landscapes of the region.
The Ninglinspo Valley is renowned for its highly picturesque walking path that winds intimately through nature. It's characterized by frequent interaction with rocks and water, featuring numerous small waterfalls and a serene atmosphere, especially further along the route where crowds thin out.
Beyond the more popular sites, Venus' Bath is a fascinating natural monument. This basin was formed naturally over thousands of years by river erosion and the power of water, creating a unique geological feature that is a beautiful piece of nature to discover.
Given the terrain, especially along river paths like the Hoëgne and Ninglinspo, it is strongly recommended to wear sturdy shoes. In wet weather, paths can become slippery due to roots and rocks. Layered clothing is also advisable to adapt to changing conditions in forested and riverside areas.
Yes, particularly near the more popular attractions. For example, the Coo Waterfall is a significant tourist attraction with cafes located nearby, offering refreshments and a place to relax after viewing the falls.
The natural monuments around Theux can be enjoyed throughout the year, but each season offers a different experience. Spring brings lush greenery and blooming flora, while autumn showcases vibrant fall colors, especially along the river valleys. Summer is ideal for longer hikes and enjoying the water features, and even winter can offer a unique, tranquil beauty, though some paths might be more challenging.
Visitors frequently praise the immersive natural beauty and the engaging hiking experiences. Many highlight the feeling of being truly immersed in nature, especially along the Ninglinspo, with its impressive landscapes and the unique sensation of walking through the stream. The powerful roar of the Coo Waterfall and the botanical richness of the Hoëgne River are also highly appreciated.
Yes, the Theux region is home to several nature reserves that contribute to its rich biodiversity. These include private reserves like Le Rocheux and Thier du Gibet, as well as the state-owned Pré du Cerf. These areas, along with Natura 2000 zones, protect the diverse flora and fauna of the region.


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