Vionnaz

Vionnaz has an area, as of 2009, of 20.9 square kilometers . Of this area, 6.32 km2 or 30.2% is used for agricultural purposes, while 11.45 km2 or 54.7% is forested. Of the rest of the land, 1.48 km2 or 7.1% is settled , 0.24 km2 or 1.1% is either rivers or lakes and 1.46 km2 or 7.0% is unproductive land.
Of the built up area, housing and buildings made up 3.2% and transportation infrastructure made up 2.6%. Out of the forested land, 49.1% of the total land area is heavily forested and 2.0% is covered with orchards or small clusters of trees. Of the agricultural land, 7.6% is used for growing crops and 4.2% is pastures, while 1.3% is used for orchards or vine crops and 17.0% is used for alpine pastures. All the water in the municipality is flowing water. Of the unproductive areas, 4.9% is unproductive vegetation and 2.1% is too rocky for vegetation.

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