Vionnaz
| Vionnaz | |
|---|---|
| Vionnaz village | |
| Location of Vionnaz | |
| Coordinates: 46°19′N 6°54′E / 46.317°N 6.900°E | |
| Country | Switzerland | 
| Canton | Valais | 
| District | Monthey | 
| Government | |
| • Mayor | Alphonse-Marie Veuthey | 
| Area | |
|  • Total | 21.0 km2 (8.1 sq mi) | 
| Elevation | 392 m (1,286 ft) | 
| Population  (31 December 2018) | |
|  • Total | 2,727 | 
| • Density | 130/km2 (340/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 1895 | 
| SFOS number | 6158 | 
| ISO 3166 code | CH-VS | 
| Surrounded by | Châtel (FR-74), Collombey-Muraz, La Chapelle-d'Abondance (FR-74), Vouvry | 
| Website | www SFSO statistics | 
Vionnaz is a municipality in the district of Monthey in the canton of Valais in Switzerland.