Chardonne is a municipality in the Riviera-Pays-d'Enhaut district in the canton of Vaud in Switzerland. Chardonne is first mentioned in 1001 …Chardonne is a municipality in the Riviera-Pays-d'Enhaut district in the canton of Vaud in Switzerland. Chardonne is first mentioned in 1001 as Cardona. Chardonne has an area, as of 2009, of 10.3 square kilometers. Of this area, 4.84 km² or 46.9% is used for agricultural purposes, while 3.82 km² or 37.0% is forested. Of the rest of the land, 1.59 km² or 15.4% is settled and 0.04 km² or 0.4% is unproductive land.