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Between kilometre posts 22 and 23, (GPS point: 43.731192,6.159441), follow the track down towards the lake for 500 m and park the car.
At the “Lake” sign, go to the right following the marking, then at the sign, turn left towards the lake. At the water’s edge, turn left. Drought-resistant plants and limestone cracks can be seen in this area. Take the track on the left until the pumping station. At the crossroads, follow the sign ‘’Fontaine-L’ Évêque’’ to the right, towards the lake. At the next crossroads, interpretation panels on the right explain the Fontaine-l’Évêque resurgence. Retrace your steps, then turn left and follow signs to go back to the parking.

To see the hike on the map, click here: https://shorturl.at/HuDpu