Alberswil

History

Alberswil is first mentioned around 1220 as Alberswile.

Geography

Alberswil has an area, , of . Of this area, 73.9% is used for agricultural purposes, while 18.3% is forested. Of the rest of the land, 7.6% is settled (buildings or roads) and the remainder (0.3%) is non-productive (classed as other, not water, unproductive land). , 18.16% of the total land area was forested. Of the agricultural land, 70.95% is used for farming or pastures, while 2.79% is used for orchards or vine crops. Of the settled areas, 3.35% is covered with buildings, 0.56% is industrial, 0.56% is classed as special developments, and 3.35% is transportation infrastructure. The municipality is located on the edge of the Wauwilermoos bog. It consists of the linear village of Alberswil, the hamlet of Burgrain and Schloss (castle) Kasteln.

Most-observed species

• Meadow Brown

  Maniola jurtina (Linnaeus, 1758) · Insecta
  5,421
• European roe deer

  Capreolus capreolus (Linnaeus, 1758) · Mammalia
  3,809
• Ringlet

  Aphantopus hyperantus (Linnaeus, 1758) · Insecta
  2,771
• red fox

  Vulpes vulpes (Linnaeus, 1758) · Mammalia
  2,741
• Common Blue

  Polyommatus icarus (von Rottemburg, 1775) · Insecta
  2,738
• Small Tortoiseshell

  Aglais urticae (Linnaeus, 1758) · Insecta
  2,602
• Marbled White

  Melanargia galathea Linnaeus, 1758 · Insecta
  2,286
• White-legged Damselfly, Blue featherleg

  Platycnemis pennipes (Pallas, 1771) · Insecta
  2,189

Most recent

• M 3.7 — 2026-04-26
  4 km N of Quarten, Switzerland
• 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