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Small car park (2 cars) at the start of the hike.
(S/E) Follow the wide path south-west for just 100m, then turn right onto a path that stays above the stream. The path undulates like a roller coaster and approaches the dual carriageway that runs on the other side of the stream.
(1) At marker 159, take the path on the left, which follows a smaller stream and climbs into the forest, following the boundary markers.
(2) After a crossroads with several paths, follow a path to the left of marker 167, which leads to the edge of the woods and passes between fields towards the vineyards.
At the corner of the vineyard, take the path on the right that winds between the vines and continue to a road.
(3) At the road, turn left and begin the descent.
Several tarmac or carriage roads branch off to the right (all leading down to the village of Dardagny).
Turn onto the third one, then turn left and then right between the vines to find a new road.
(4) Keeping the castle in sight, continue downhill to the left until you reach a bridge over a stream. Shortly afterwards, a steep footpath leads you to the main road of the village.
(5) Turn left and follow the main street.
(6) After the castle, continue straight ahead and cross the old village of Dardagny.
After the last houses and a few vineyards, the road descends into the forest to the Roulave stream
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(7) At the yellow walking signs, do not take the stairs leading up to Essertines, but turn left onto the nature trail that follows the stream.
(8) At the three-way junction with signposts, keep left and continue along the Roulave.
A little further on, cross over to the cave in the rock face on the other side of the stream. Retrace your steps and continue to the left (yellow diamond).
(9) You will arrive at a cave, then cross two wooden bridges to reach the other bank, where you will climb up to the tarmac road connecting Dardagny and Essertines.
Turn right, descend and cross a stream, then climb back up to a sharp bend.
On the outside of the bend (447 m), at the yellow diamond sign, turn left and follow the path down to the stream. Cross the bridge and climb up to the tarmac road linking Dardagny to Saint-Jean-de-Gonville.
Turn right, descend 200m to reach the small car park before the barrier (S/E).
Tourist office
Easy 
Very difficult 
Visorando member
Difficult 
