The city is built in a region made up of river valleys that bring a remarkable natural heritage.  

The woods, humid areas and valley floors are the dominant elements of the natural heritage of the City, sites that absolutely must be preserved.

Ottignies-Louvain-la-Neuve is located in the Dyle valley, which is made up of the Dyle and its effluents, the Stimont, the Ry Pinchart, the Ry Angon, the Malaise, the Blanc-Ry and the Watercress Bed.

Some natural areas are protected and are completely closed to the public while others are tourist areas, public spaces and areas of biological interest. 

Explore the green spaces that are open to the public, particularly :

• Lauzelle Woods
  
• "Bois des Rêves" Local Park (Woods of Dreams) in Ottignies
• Buston Woods and ponds in Limelette
• Lake of Louvain-la-Neuve
• Pinchart Watercress bed
• "Bois des Justes" (Woods of the Righteous)
• Source Garden in Louvain-la-Neuve
• The beautiful Céroux Square, bordered by 101 listed limetrees

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