Saint-Brieuc - Guingamp, exit the 4 lanes towards Lannion.
Before Lannion direction Perros-Guirec. Cross the city center.
At the 1st traffic lights turn left onto the road going up. 2 turns to the right then direction Clarity rue de Toul al Lann continue on the right in this street until No. 88 on the right in the descent.