4.4
(712)
4,249
hikers
129
hikes
Hiking around As offers a network of trails characterized by relatively flat terrain and diverse natural features. The region includes heathland, nature reserves, and various ponds, providing varied landscapes for outdoor exploration. Elevations are generally low, making many routes accessible. The area is suitable for hikers seeking paths through woodlands and open natural spaces.
Last updated: August 16, 2026
4.6
(84)
529
hikers
5.86km
01:31
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.6
(137)
766
hikers
15.5km
03:58
70m
70m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.6
(43)
285
hikers
9.73km
02:29
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.7
(52)
279
hikers
10.2km
02:37
40m
40m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.3
(13)
137
hikers
3.49km
00:53
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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The Stiemerbeek valley contains marshy thickets, with a number of herbs. Prominently present are the yellow loosestrife, the purple loosestrife and the meadowsweet. Hoverflies and longhorn beetles can be seen when they seek nectar on the flower heads of the giant hogweed and the angelica. Furthermore, various species of butterflies, dragonflies, ladybirds and amphibians can be found. The Stiemerbeek flows along the edge of the Kempen Plateau and is quite deeply incised there. Springs can be found in the sloping banks. Although the stream has been straightened, the plots along the stream represent high natural values. The Stiemerbeek valley forms a connecting link between the Bosbeek and the nature reserve De Maten.
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The Klaverberg is a largely wooded sand dune and also the name of the surrounding nature reserve on the border of the Belgian municipalities of As, Genk and Oudsbergen. It borders the Opglabbekerzavel heathland and other wooded nature areas. The area is named after the cloverleaf-shaped drifting dunes, which form a predominantly wooded dune ridge over a length of approximately 1.7 kilometers. The sand dunes probably arose as a result of the wind-blown transport of sand that was exposed due to overgrazing and too frequent turf stripping of southwestern heathlands. Klaverberg on an 18th-century Ferraris map The Klaverberg is overshadowed by the remediated spoil tip of the former Waterschei coal mine, with a top up to 155 meters above sea level. These most striking landscape witnesses of the mining past cover a part of the dunes.
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The mine spoil heap or 'stone mountain' on the Klaverberg is one of the silent witnesses to Limburg's glorious industrial past. What miners brought up from the deep underground were raw coals. Only half of the volume consisted of real coal, the rest was mine stone. These were thrown onto a 'waste heap', although 'heap' is a relative concept. The mine spoil heap on the Klaverberg is 165 meters high. At the top, you have a phenomenal view of the surroundings. What was once a waste mountain has now become a nature reserve. The European Union even designated this spoil heap and its surroundings as a habitat directive area.
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Thor Central is a powerfully impressive industrial building that was protected as heritage after the closure of the mines. As part of the search for a meaningful function for the Waterschei mining site and the option to develop the site into a technology park, the assignment to give this beautiful building a new future was also included. Thor Central is the beating heart of the Thor Park site. Besides the Food Plaza with restaurant Partaasch and brasserie Lampada, the building mainly has a business function, with meeting rooms, an auditorium, a central reception, and even a daycare center. Events and exhibitions are regularly held here.
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Station As is a former railway station on lines 21A (Hasselt-As) and 21B (As-Eisden). The station building now houses a restaurant and the Kolenspoorvereniging (Coal Railway Association) uses it for the operation of the tourist railway line Waterschei-As-Eisden. Station As is also one of the gateways to Hoge Kempen National Park and has an observation tower.
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It is likely to overflow and flood the trail
3
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A beautiful tribute to nature😍
3
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As offers a wide selection of hiking opportunities, with over 100 routes available. These range from easy strolls to more challenging long-distance paths, ensuring there's something for every hiker.
Hiking around As is characterized by relatively flat terrain, making many routes accessible. You'll find diverse natural features including extensive heathland, tranquil nature reserves, and various ponds. The paths often lead through woodlands and open natural spaces, providing varied scenery.
The hiking routes in As are highly regarded by the komoot community, holding an impressive average rating of 4.4 stars from over 500 reviews. Hikers frequently praise the quiet woodlands, well-maintained paths, and the serene beauty of the nature reserves and ponds.
Yes, As is an excellent destination for easy hikes, with 61 routes classified as easy. These trails are generally flat and well-suited for beginners, families, or those looking for a leisurely walk. A popular easy option is the Route Station As (blauw) - Mechelse Heide, which offers open views across the heathland.
While As is known for its generally flat terrain, there are options for more challenging and longer hikes. The region features 11 difficult routes, including the Thor Park Pond loop from As, which covers over 21 kilometers. These longer routes provide a greater distance for those seeking an extended outdoor adventure.
Yes, many of the trails around As are designed as circular routes, allowing you to start and end at the same point. Examples include the moderate View of the As Fishpond – Flemish nature reserve loop from As and the Rouwmortelven loop from As, both offering diverse scenery.
As's hiking trails lead through a variety of natural landscapes. You can explore vast heathlands, serene nature reserves, and tranquil ponds. Notable natural highlights include the Mechelse Heide — Lakes and Sand Dunes, and viewpoints like the View of the Quarry and Lake at Mechelse Heide, offering scenic vistas.
Yes, some hiking trails in As are accessible via public transport. The presence of routes like Route Station As (blauw) - Mechelse Heide and Station As – Don't start the fire loop from As indicates that trails can be conveniently started from the As train station.
Yes, the region around As features several interesting landmarks. You can find various castles, such as the Stein Castle Ruins, Obbicht Castle, and Kasteel Vilain XIIII (Leut Castle), which can be explored as part of a wider visit to the area.
The best time to hike in As generally depends on your preference. Spring and autumn offer pleasant temperatures and beautiful scenery, with blooming flora or vibrant fall colors. Summer is also popular, though it can be warmer. The relatively flat terrain makes many trails enjoyable year-round, even for winter walks, though conditions may vary.
Many trails in natural areas are dog-friendly, but it's always recommended to check specific route details or local regulations for each trail. Generally, dogs are welcome on leash in most nature reserves and woodlands around As, allowing you to enjoy the outdoors with your canine companion.
The nature reserves and woodlands around As provide habitats for various wildlife. While hiking, you might spot local bird species, small mammals, and insects, especially in quieter areas or near ponds. Keep an eye out for deer or other larger animals, particularly during dawn or dusk.


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