Natural monuments around Alken, Belgium, are characterized by diverse natural landscapes, including expansive nature reserves and unique wetland ecosystems. The region is part of the Heart of Haspengouw landscape park, known for its biodiversity. Visitors can explore areas with significant birdlife, historical sites integrated with nature, and the only natural inland lake in Flanders. These natural features offer opportunities for observation and exploration.
Last updated: August 8, 2026
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At the highest point of Helshoven, you can now enjoy a breathtaking view over the Haspengouw landscape. Artist Frits Jeuris has created a unique work of art from dozens of felled fruit trees from the area. “Helsh(ea)ven”, a wooden work of art consisting of 90 standard cherry trees, each fifty years old, was hit by the cherry plague virus at the end of 2016, a contagious plant disease that causes small fruits on cherries. Now the felled trees are getting a second life. The work of art symbolizes the dynamic landscape of Haspengouw.
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Very relaxing, beautiful well-maintained paths.
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The Herkenrode Abbey site is an interesting combination of culture, history, nature and an ideal starting point for walks.
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Experience the divine feeling of floating here...
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Here, at the gallows, you are at the highest point in Helshoven. The artwork 'Helsh(ea)ven' by Frits Jeuris, known to most as the 'floating chapel', invites you to enjoy that landscape and the work itself. It is made from cherry tree wood. At the end of 2016, the 50-year-old high-stemmed trees in Helshoven had to be cut down due to a viral disease, Little Cherry, which causes tasteless cherries. The gallows represents death. Dead trees. And the dead person. And then there are the trees that are given a second life in the artwork, the floating chapel. An end, a beginning, a view, between heaven and Helshoven, inviting reflection, looking and of course what the work is best known for: that strange image of a chapel that seems to float.
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Those who like a bit of relief will find plenty to enjoy on this easternmost Diestian hill. The Galgenberg takes its name from the location of the gallows that were used to hang criminals. The forests are freely accessible to hikers, but are not open to cyclists or mountain bikers due to their sensitivity to erosion.
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The main entrance to the abbey is located to the south of the complex. It is a late Gothic gatehouse, built in 1531 by order of Abbess Mechtildis of Lechy. There are two storeys under two intersecting slate saddle roofs with a spire with a pear-shaped crowning at the intersection, dated 1531 (coat of arms on the rear facade) and restored in 1907 (architect G. Rypens) and 1973. Inventory of Immovable Heritage: Herkenrode Abbey, https://id.erfgoed.net/erfgoedobjecten/22246
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The Herkenrode abbey site is located in the Demer valley, in a transitional area between the Lage Kempen and Haspengouw, south of the village centre of Stokrooi (Hasselt). It is an extensive historical domain that dates back to the former abbey complex of the Cistercian nuns. To the north of the Demer are the meadows, to the south the old abbey with its appurtenances, the farmyard, the eastern castle park and the other, higher agricultural lands. In addition to unirrigated hay and pasture land, there were also large flood meadows here until the 20th century. The latter were supplied with water via the Tuilterdemer. The abbey was founded in 1182, when Geeraard, Count of Loon, donated his estate Herkenrode to a certain brother Henricus to build a monastery for women. In 1271 the monastic community joined the order of Cîteaux. It became a flourishing enterprise that over the years acquired numerous possessions. The religious purpose came to an end with the departure of the sisters in 1796. At the beginning of the 19th century, the new abbess wing, built in 1768 to the south of the old abbess quarters, was converted into a castle. In the same period, an English garden was laid out on the east side and a front garden on the west side. The 14th-century church burned down in 1826 and was demolished together with the monastery building and the convent buildings in 1843. The buildings and the surrounding grounds formed a single differentiated whole for a long time. Over time, however, they fell into the hands of different owners. In 1972, 11 ha of the former abbey site became the property of the canonesses of the Holy Sepulchre. The property includes the actual remaining abbey buildings with the sisters' quarters, the old abbess quarters, the sacristy, the infirmary, the 18th-century abbess wing and the adjoining landscaped park. Inventory of Immovable Heritage: Herkenrode Abbey Site, https://id.erfgoed.net/erfgoedobjecten/135252
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The Alken region offers diverse natural monuments. You can visit De Platwijers-Wijvenheide Nature Reserve, known for its extensive fish farming ponds and abundant birdlife, forming the largest contiguous pond area in the Benelux. Another unique spot is Lake Het Vinne, Flanders' only natural inland lake, offering various possibilities for walking and discovering nature.
For birdwatching, De Platwijers-Wijvenheide Nature Reserve is an excellent choice. This 200-hectare reserve is renowned for its rich birdlife, consisting mainly of fish farming ponds and meadows. It's a prime location to observe native birds, especially from the watchtowers.
Yes, several natural monuments are suitable for families. Lake Het Vinne is particularly family-friendly, featuring a playground, a play forest, and a sensory experience path. The Herkenrode Abbey Site also offers a blend of cultural heritage and natural beauty with its botanical garden, suitable for family exploration.
Absolutely. The Herkenrode Abbey Site is an 800-year-old historical site surrounded by a nature reserve. It features restored historic buildings and a botanical garden with over 500 different plant species, offering a unique blend of history and nature. Additionally, the Galgenberg Forest, while primarily a natural area, takes its name from its historical use as a gallows site.
You can enjoy breathtaking views at several locations. The De Wijers area, which includes De Platwijers-Wijvenheide Nature Reserve, features an observation tower in Zonhoven that provides panoramic views over hundreds of ponds. The Floating Chapel of Helshoven, located at the highest point of Helshoven, also offers stunning vistas of the Haspengouw landscape.
The area around Alken is excellent for various outdoor activities. You can find numerous running trails, such as the 'Gustingenmolen loop' or 'Kasteel Leva loop'. For hiking, explore routes like the 'Mombeek Valley loop'. If you prefer cycling, there are road cycling routes like the 'Albert Canal loop'. You can find more details on these activities and routes on the respective guide pages: Running Trails around Alken, Hiking around Alken, and Road Cycling Routes around Alken.
Yes, Lake Het Vinne is noted as being wheelchair-accessible. The provincial domain offers a range of possibilities for walking and discovering nature, and they even provide two all-terrain wheelchairs and slings free of charge to visitors.
The natural monuments around Alken are rich in wildlife, especially birds. De Platwijers-Wijvenheide Nature Reserve is a haven for birdwatchers, with its extensive pond areas attracting diverse species. Lake Het Vinne is also ideal for migratory birds. In areas like Galgenberg Forest, you might encounter various insect species, including 14 different types of locusts, the moth butterfly, and the rare red wood ant, along with dragonflies and natterjack toads near the pools.
The natural monuments around Alken can be enjoyed year-round, with each season offering a different experience. Spring and summer are ideal for lush greenery and active wildlife, while autumn brings beautiful colors to the forests. For birdwatching, specific migration periods might be more rewarding. Many sites, like Lake Het Vinne, are accessible daily from sunrise to sunset.
Yes, the region offers several forest areas. Galgenberg Forest is a notable green oasis where you can relax and enjoy signposted walks. It's a tree-rich heathland landscape that also serves as a rest area for animals, providing a peaceful natural escape.
Visitors particularly appreciate the tranquility and diverse natural beauty. Many enjoy the abundance of birdlife at De Platwijers-Wijvenheide Nature Reserve and the unique experience of Lake Het Vinne as Flanders' only natural inland lake. The blend of history and nature at the Herkenrode Abbey Site is also highly valued, as are the panoramic views from spots like the Floating Chapel of Helshoven.


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