From RN25 (Namur, Liège, Luxembourg, Nivelles, Charleroi, Paris)

Turn left in the "Rue de Namur".
At the first crossroads, turn right in the "Rue de Mont-St-Guibert "
(1) Turn right again to go under the N238 et go straight on in the "Avenue des Arts"
(2) Continue until reaching the "Place de l'Equerre" (car park) and turn left
(3) Go down the " rue de l'Equerre" until the end

From Wavre via N238 (Brussels)

At the Clairs Vallons exit, turn right
(1) Turn right again to go under the N238 et go straight on in the "Avenue des Arts"
(2) Continue until reaching the "Place de l'Equerre" (car park) and turn left
(3) Go down the " rue de l'Equerre" until the end