The Sonian Forest – Sonian Forest loop from Watermael-Boitsfort - Watermaal-Bosvoorde

Routes

Hiking trails & Routes

Belgium

Brussels

Watermael-Boitsfort - Bosvoorde

The Sonian Forest – Sonian Forest loop from Watermael-Boitsfort - Watermaal-Bosvoorde

Moderate

4.0

(1)

hikers

The Sonian Forest – Sonian Forest loop from Watermael-Boitsfort - Watermaal-Bosvoorde

02:36

9.66km

120m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: September 2, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Réserve forestière du Grippensdelle B - Bosreservaat Grippensdelle B

Réserve forestière du Grippensdelle A - Bosreservaat Grippensdelle A

Nationaal Park Brabantse Wouden

Waypoints

Start point

Bus stop

Get Directions

3.17 km

Large Tree with Roots in Nationaal Park Brabantse Wouden

Highlight • Natural Monument

3.31 km

IJse Valley and the Koningsvijvers

Highlight • Forest

The "splendide Vallée" actually refers to the valley of the Ijse. It also concerns the 7 king ponds, of which 6 are dry and only the right one still has …

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4.79 km

The Sonian Forest

Highlight • Forest

Groenendaal station is also our gateway to the Sonian Forest. You can't miss it, the world's largest beech trees are here. Their trunks have diameters of up to 160 centimeters …

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4.85 km

Jan van Ruusbroec Forest Museum

Highlight • Monument

There must be many stories hidden in such an ancient forest. The Forest Museum tells you everything about the history, residents and forest management of the Sonian Forest. The museum …

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6.06 km

Picnic bench in Nationaal Park Brabantse Wouden

Highlight • Rest Area

When rest is a must..

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6.61 km

Sonian Forest

Highlight • Forest

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 …

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7.31 km

Brussels-Capital Region

Highlight • Trail

During this route you will walk for quite some time on the border of the Flemish and Brussels Capital Regions. The latter has 19 municipalities, including the capital Brussels, the …

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9.05 km