Les Gorges du Trient Opening hours De mai à octobre. Suggestions Sorniot, lower lake This balcony trail offers a plunging view of the plain and a panoramic view of the Mont-Blanc and Grand-Combin mountains. Durand Gorges In the top 10 of the most beautiful gorges in Europe, the Durnand will allow you to savour the coolnes of its waterfalls. Chestnut wood (didactic trail) This unique trail in Valais enables walkers to better know the chestnut, the village of Fully's emblematic fruit.