Vionnaz

Geography

Vionnaz has an area, , of . Of this area, or 30.2% is used for agricultural purposes, while or 54.7% is forested. Of the rest of the land, or 7.1% is settled (buildings or roads), or 1.1% is either rivers or lakes and 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.

Most-observed species

• Cross Gentian

  Gentiana cruciata L. · Magnoliopsida
  17,161
• Meadow Brown

  Maniola jurtina (Linnaeus, 1758) · Insecta
  4,905
• Marbled White

  Melanargia galathea Linnaeus, 1758 · Insecta
  3,189
• Butterfly-bush

  Buddleja davidii Franch. · Magnoliopsida
  2,896
• Red Admiral

  Vanessa atalanta (Linnaeus, 1758) · Insecta
  2,708
• Small Tortoiseshell

  Aglais urticae (Linnaeus, 1758) · Insecta
  2,682
• Common Blue

  Polyommatus icarus (von Rottemburg, 1775) · Insecta
  2,099
• Ringlet

  Aphantopus hyperantus (Linnaeus, 1758) · Insecta
  2,082

Most recent

• M 3.6 — 2026-01-12
  4 km SSW of Les Houches, France
• M 4.1 — 2025-07-21
  4 km E of Frutigen, Switzerland
• M 3.2 — 2024-05-09
  9 km SW of Evolène, Switzerland
• M 3.3 — 2022-09-25
  7 km ESE of Ar?ches-la-Frasse, France
• M 2.7 — 2022-08-23
  4 km S of Turtmann, Switzerland
• M 4.5 — 2022-03-12
  3 km S of Faverges, France