From Olette, take the D4 road up to the village of Railleu and park in the car park near the town hall (4-5 spaces).
(S/E) From the car park, return to the main road and continue straight ahead until you reach the signpost indicating Sansa 2.5 km. Turn right in the desired direction. Walk leisurely before a beautiful climb leading to the Avellanosa sign (beautiful view of Railleu).
(1) Continue north/north-west and enter a forest. Further on, cross the Ribera de Cabrils and continue to the hairpin bend in the road.
(2) Follow it to the left. Pass a sign describing an old mill.
(3) At the end of a hairpin bend to the right, take the path that climbs to the left towards Sansa. Climb steeply and you will come to a track.
(4) Follow it to the right to reach the village church and town hall.
(5) Return via the same route in the opposite direction to the car park at Railleu Town Hall (S/E).