Parkinson Suisse - Groupe d'entraide Bas-Valais Monthey is a self-help group in Valais, Switzerland, for people with Parkinson's disease. Language: French. Contact through Centre Info-Entraide Vaud, 021 313 24 04, entraide@benevolat-vaud.ch. Source: Selbsthilfe Schweiz, the national database of self-help groups.