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Belgium
Brussels
Watermael-Boitsfort - Bosvoorde

The Sonian Forest – Ijskelderlaan Climb loop from Boitsfort - Bosvoorde

Routes
Road cycling routes
Belgium
Brussels
Watermael-Boitsfort - Bosvoorde

The Sonian Forest – Ijskelderlaan Climb loop from Boitsfort - Bosvoorde

Moderate

4.1

(84)

1,037

riders

The Sonian Forest – Ijskelderlaan Climb loop from Boitsfort - Bosvoorde

01:48

34.1km

330m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: October 7, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 12.8 km for 171 m

After 13.5 km for 62 m

After 23.8 km for 169 m

Waypoints

A

Start point

Train Station

Get Directions
1

4.48 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 …

Translated by Google •

Tip by

2

10.1 km

Old tram bed, converted into a cycle path between Hoeilaart and Overijse. This section of the cycle path follows its own bed, away from the motorway.

Translated by Google •

Tip by

3

12.2 km

Ijskelderlaan Climb

Highlight (Segment) • Climb

Brabantse Arrow 2017 - 2019

Average Grade: 5.9%
Max Grade: 11%
Distance: 0.6 km

Translated by Google •

Tip by

4

13.6 km

The famous S-bend at the Saint Martin's Church 0.75 km at 5.5%. Following the Taymansstraat with a short bend to 18.3%.

Translated by Google •

Tip by

5

13.9 km

Schavei Climb

Highlight (Segment) • Climb

Brabantse Arrow 2017 - 2019

Average Grade: 5.9%.
Max Grade: 9%
Distance: 0.6 km

Translated by Google •

Tip by

6

24.5 km

Tervurenlaan has a good, seperate cycling lane on both sides of the avenue. This is the inbound section. Smooth surface and secured, but close to the car traffic and not …

Tip by

29.4 km

Réserve forestière du Rouge-Cloître - Bosreservaat Rood Klooster

Nature Reserve

8

31.6 km

Boulevard du Souverain Cycle Path

Highlight • Cycleway

Beautiful bike path between the trees that makes the southern loop of Brussels.

Tip by

B

34.1 km

End point

Train Station

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Way Types & Surfaces

Way Types

23.8 km

6.00 km

2.53 km

794 m

722 m

195 m

< 100 m

< 100 m

Surfaces

17.9 km

12.6 km

3.46 km

< 100 m

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (120 m)

Lowest point (50 m)

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Weather

Powered by Foreca

Today

Sunday 1 November

11°C

7°C

65 %

Additional weather tips

There’s a fairly high chance of rain. Consider packing a waterproof jacket.

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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