Best natural monuments around Auderghem - Oudergem offers a landscape characterized by significant green spaces and rich biodiversity. This municipality in the Brussels-Capital Region serves as a gateway to expansive forests and features several protected natural areas. These sites provide opportunities for recreation and connection to the region's natural heritage. The area includes ancient forests, semi-wild parks, and notable individual trees.
Last updated: June 28, 2026
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Popular around Auderghem - Oudergem
This tour goes for kilometers through the forest. In spring it is beautiful with the hyacinths and wood anemones. In summer nice and cool.
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A change of scenery guaranteed...but also a sad observation...global warming is causing terrible damage to certain species of trees...visit this arboretum quickly before many trees die 😩😩😩
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Nice location because you can imagine yourself in different parts of the world by the large number of exotic trees that were planted here sorted by their habitat. This allows you to walk from the West Coast of America to China through the different forests that were planted to imitate nature there as closely as possible.
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To see and don't hesitate to get lost there
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Beautiful to walk in any weather. Many paths around here are also bike-free, which is still pleasant for the walker.
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Enjoying the Sonian Forest is easy from the various access gates. These access gates are located on the edge of the forest, are easily accessible and are therefore the ideal starting point to explore the forest. There are eight access gates. Information about this can be found at https://www.zonienwoud.be/praktisch/toegangspoorten/
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The Sonian Forest, also known as the Zoniënwoud, is a large forest area centrally located in Belgium, southeast of Brussels. It covers approximately 4,421 hectares and is best known for its old beech trees, some of which are over 200 years old. The forest has a rich history dating back to the Iron Age and has had various functions over the centuries, such as providing firewood and timber for the construction of houses and ships, and as a backdrop for hunting scenes. The current forest landscape with deciduous trees has its origins in the Austrian period (1714-1795).
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The path which crosses the Solvay estate and which passes near the Château de La Hulpe is in good condition and has only a few holes filled with water... but easily avoidable.
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Auderghem - Oudergem offers a variety of natural monuments. You can explore the vast Zonienwald (Sonian Forest), known for its ancient beech trees, some over 200 years old. Another unique spot is the Geographic Arboretum of Tervuren, which features over 400 different tree species from around the world, planted in miniature forests. Additionally, Domaine Solvay offers 227 hectares of forest, lawn, and ponds, home to over 450 species of wild plants.
Yes, several natural monuments in the area are suitable for families. The Zonienwald (Sonian Forest) is excellent for walks and exploring nature. Domaine Solvay, with its expansive grounds and ponds, is also very family-friendly. The Geographic Arboretum of Tervuren provides an educational and engaging experience for all ages, while the Drowned Children Ponds offer picturesque scenery for a leisurely family outing.
The natural monuments around Auderghem - Oudergem are ideal for various outdoor activities. You can find numerous routes for mountain biking, cycling, and running. For mountain biking, consider routes like the "Rood Klooster Lake – Rouge-Cloître Lake loop from Demey." Cyclists can enjoy the "Woluwe Park – Springs Park loop from Delta," and runners might like the "Fallen Tree Bridge – Stone Throne in the Sonian Forest loop from Herrmann-Debroux." You can find more detailed routes and guides for these sports on the respective komoot guide pages for MTB Trails, Cycling, and Running Trails around Auderghem - Oudergem.
Yes, the Sonian Forest, accessible from Auderghem - Oudergem, offers extensive walking and cycling paths. It is often called the "beech cathedral" due to its majestic trees and provides a profound sense of natural immersion. The forest has various access gates, which serve as ideal starting points for exploring its trails. You can find more information about these access points on the Zonienwoud website.
Absolutely. The Sonian Forest has a rich history dating back to the Iron Age, with its current landscape originating from the Austrian period (1714-1795). Domaine Solvay, while primarily a natural park, houses the Château de Béthune, built in 1842. Parc Bergoge, a semi-wild district park, is a relic of the Sonian Forest, separated in 1729, and the natural surroundings of the former Rouge-Cloître Abbey and its ponds also hold historical context.
You can expect to see a diverse range of natural features. The Sonian Forest is characterized by ancient beech trees and dense woodlands. Domaine Solvay features forests, expansive lawns, and picturesque ponds. The Drowned Children Ponds are a nature reserve with three large ponds nestled in a valley. The Geographic Arboretum of Tervuren showcases a vast collection of tree species from around the world. Additionally, the region is home to remarkable individual trees, such as a Blue Atlas Cedar and American Red Oaks, protected for their unique characteristics.
Yes, the Sonian Forest is a Natura 2000 area, known for its exceptional flora and fauna. It provides a home for many animals, making it a good spot for wildlife observation. While specific species sightings can vary, the forest's preserved nature supports a rich biodiversity.
The Bois de la Cambre is a 123-hectare park that serves as an extension of the Sonian Forest into a more urbanized area. It's a significant green space, classified as a Natura 2000 area, offering a romantic setting with a central island and recreational activities like walking, jogging, and boating. It acts as a natural transition from the dense forest to the city environment.
Yes, several locations offer tranquil waterscapes. The Drowned Children Ponds are a nature reserve with three large ponds, perfect for relaxation. Domaine Solvay also features beautiful ponds within its expansive grounds. Additionally, the natural surroundings of the Rouge-Cloître Abbey include picturesque ponds, providing serene spots for nature lovers.
Parc Bergoge is a notable semi-wild district park within Auderghem, considered a relic of the Sonian Forest. It holds historical significance, having been separated from the larger forest in 1729. The park overlooks the Woluwe valley and the Roodcloosterbeek, and while its large ponds have been replaced by wet meadows, it was redeveloped to preserve its natural elements, making it a valuable spot for enjoying nature within the municipality.
Yes, Auderghem is home to individual trees recognized for their remarkable characteristics. These include a Blue Atlas Cedar (Cedrus atlantica 'glauca') located at Avenue Henri de Brouckère 48 and Avenue Louis Berlaimont 2, as well as several Cherry trees (Prunus avium) and an American Red Oak (Quercus rubra) in various locations. These trees are protected for their age, size, and aesthetic appeal, representing significant individual natural heritage.
The natural monuments in Auderghem - Oudergem, particularly the Sonian Forest and its extensions, are beautiful year-round. Spring brings lush greenery and blooming flora, while autumn offers vibrant fall colors. Summer is ideal for longer walks and outdoor activities, and even winter provides a serene, quiet atmosphere for walks among the trees. The best time depends on your preferred scenery and activities.


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