Val d'Hérens is an alpine valley in the Valais canton of Switzerland. It was formed by the Hérens glacier, which retreated at the end of the last ice age.
It extends from the Rhône valley to a number of high mountains - Dent Blanche, Dent d'Hérens, Mont Collon, Mont Blanc de Cheilon. It is a popular start point for mountain expeditions.
The area has two mountain peaks over 4,000 metres in altitude: la Dent Blanche ("white tooth") at 4,357 m, and la Dent d'Hérens ("Hérens tooth") at 4,171m. Other noteworthy peaks along the valley include: Grand Cornier, Mt Collon, Pigne d'Arolla, Vouasson, Rosablanche, and Mt Blanc de Cheillon.
The valley includes the following villages:
The Herens breed of cattle is named after the valley.