Strengelbach

Geography

Strengelbach has an area, , of . Of this area, or 31.8% is used for agricultural purposes, while or 44.6% is forested. Of the rest of the land, or 23.0% is settled (buildings or roads), or 0.8% is either rivers or lakes. Of the built up area, industrial buildings made up 2.2% of the total area while housing and buildings made up 14.1% and transportation infrastructure made up 5.8%. Out of the forested land, 43.1% of the total land area is heavily forested and 1.5% is covered with orchards or small clusters of trees. Of the agricultural land, 21.5% is used for growing crops and 9.2% is pastures, while 1.2% is used for orchards or vine crops. All the water in the municipality is flowing water.

Most-observed species

• European roe deer

  Capreolus capreolus (Linnaeus, 1758) · Mammalia
  12,052
• Meadow Brown

  Maniola jurtina (Linnaeus, 1758) · Insecta
  9,119
• red fox

  Vulpes vulpes (Linnaeus, 1758) · Mammalia
  6,075
• Common Blue

  Polyommatus icarus (von Rottemburg, 1775) · Insecta
  4,423
• Marbled White

  Melanargia galathea Linnaeus, 1758 · Insecta
  4,060
• Annual Fleabane

  Erigeron annuus (L.) Pers. · Magnoliopsida
  3,462
• Small Heath

  Coenonympha pamphilus (Linnaeus, 1758) · Insecta
  3,324
• Dusky Large Blue

  Maculinea nausithous (Bergstrasser, 1779) · Insecta
  3,306

Most recent

• M 4.1 — 2025-07-21
  4 km E of Frutigen, Switzerland
• M 3.5 — 2024-06-27
  1 km SSW of Todtmoos, Germany
• M 4.2 — 2024-06-04
  2 km NNW of Unteriberg, Switzerland
• M 4.4 — 2023-03-22
  1 km NW of Pont-de-Roide, France
• M 3.9 — 2022-09-10
  1 km WSW of Zimmersheim, France
• M 4.1 — 2021-12-24
  2 km WSW of Blamont, France