The site is home to a remarkable array of flora and fauna.
Keep your eyes peeled! You may be able to spot the red pulsatilla and the Carthusian carnation, which flower in early spring, or the many birds of prey that like to nest in the rock faces of this sensitive natural area.
Marking : There are 8 interpretation points along this loop.
Good plans : This walk is not recommended for families with young children because of the steep gradient, particularly on the descent.

Delicate passages : The last part of the loop begins a steep descent that requires good footwear.

Admission fee : Free access.

Opening : All year round daily. Subject to favorable weather.

Step by step description : 1 - When facing the entrance to the caves, continue to the right for about 200 metres. 2 - Turn left and take the small footpath stairs that lead up into the forest. 3 - Follow the directional markers leading to the plateau and the dry grasslands of Suptilieu. 4 - From the plateau, you can enjoy views over the Ain plain and the Bugey mountains. 5 - Descend by following the trail and the directional markers — you’ll pass through beautiful lime tree woods (caution: steep descent). 6 - At the local road, turn left to return to the village of La Balme and the caves.

Area : Balcons du Dauphiné