The Big Bang Route: a cycling itinerary between Louvain-la-Neuve to Leuven

  • Cycle ride

This 75 km cycling itinerary links Louvain-la-Neuve and Leuven, 2 university towns. This route is dedicated to Georges Lemaître, who came up with the Big Bang Theory.

Departure and end point: from the Georges Lemaître statues, the first at Place des Sciences à Louvain-la-Neuve, the other at the Collège des Prémontrés in Leuven.
Duration: 5h
Distance:75 km (loop)
Level: easy
Signs: nodes

The itinerary

This path goes through the Walloon and Flemish Brabant via the Merdaal forest. There are 8 iconic stops along the way, each with QR codes giving you information on Georges Lemaître's life and discoveries. The landscapes along the way simply are ravishing.

Departure: Place des Sciences - Louvain-la-Neuve

  • On the way to Leuven:
    Follow the following nodes: 67-95-89-76-75-57-56-49-50-45-44-43-42-41-40-80-79-78-82-76-70-75-74–10
  • On the way back from Leuven:
    Follow the following nodes:

Good to know

  • the itinerary can be adapted for those wishing a more challengingroute or for families
  • You can download the road map here. A paper version is available at the  Ottignies-Louvain-la-Neuve Tourist Office



More information


Minimum distance75 Km
The information provided is an indication only. We advise you to inquire directly with the organisers of the event that interests you before you leave.