Les Gorges du Trient Opening hours De mai à octobre. Suggestions Guercet Bisse – Charrat Vineyard This trail enables you to escape from the noise of the city in a few seconds, and find yourself in a green and soothing environment. Tour of the cliff By adventuring a few more metres off the trail, you will be able to enjoy the magic and coolness of the Fairy Grotto. Adonis flower trail A real treasure hunt where the reward is none other than the gold-coloured flower in its natural environment.