The village church of Wimmis, the Letzi Spissi fortifications, and Wimmis Castle are listed as Swiss heritage site of national significance.
 The entire village of Wimmis is part of the Inventory of Swiss Heritage Sites.

The village church of St. Martin was built on the site of an early medieval church.
 Under the Kingdom of Upper Burgundy a fortified estate was built near the church and became a local administrative center.
 Around the 9th century the early church was replaced with a new building that had a wider aisle.
 In 994 King Otto III granted his estate and church in Wimmis to Selz Abbey.
 In the 1228 Strättliger Chronicle it was listed as one of the 12 Lake Thun churches.
 In the 13th century a fire destroyed the roof, though it was quickly replaced.
 It was converted into an aisleless church in 1450 and the wall murals are from the 15th century.
 The north-west corner houses a painting of the procession to Calvary and fragments of the Crucifixion and descent from the Cross.
 The church converted to the Reformed faith in 1527.
 The pulpit was built in 1672 and the baptismal font was carved in 1552.

The Letzi Spissi fortifications were built by Freiherr von Weissenburg about 1 kilometer (0.6 mile) south-west of the castle.
 It was built to help defend the entrance to the Niedersimmental.

The castle was built around the 12th or 13th century on or near the site of an earlier fortified estate.
 It was owned by the Freiherr von Strättligen and then the Freiherr von Weissenburg.
 In 1334 the town and castle were attacked and taken by Bernese troops.
 In 1449 Bern bought it from its current owner, the von Scharnachtal family.
 Under Bernese rule the castle became the center of the Niedersimmental district.
 During the 17th and 18th centuries the castle was expanded in several stages into its current appearance.
 After the 1803 Act of Mediation, the castle became the center of new Niedersimmental district.
 In 1967 the district administration moved into a modern office building but the district court remained in the castle.
 In 2010 the administrative structure of the Canton of Bern changed.
 The court moved from Wimmis to Thun and the castle was given to the municipality.
The village church of Wimmis, the Letzi Spissi fortifications, and Wimmis Castle are listed as Swiss heritage site of national significance.  The entire village of Wimmis is part of the Inventory of Swiss Heritage Sites.
The village church of St. Martin was built on the site of an early medieval church.  Under the Kingdom of Upper Burgundy a fortified estate was built near the church and became a local administrative center.  Around the 9th century the early church was replaced with a new building that had a wider aisle.  In 994 King Otto III granted his estate and church in Wimmis to Selz Abbey.  In the 1228 Strättliger Chronicle it was listed as one of the 12 Lake Thun churches.  In the 13th century a fire destroyed the roof, though it was quickly replaced.  It was converted into an aisleless church in 1450 and the wall murals are from the 15th century.  The north-west corner houses a painting of the procession to Calvary and fragments of the Crucifixion and descent from the Cross.  The church converted to the Reformed faith in 1527.  The pulpit was built in 1672 and the baptismal font was carved in 1552.
The Letzi Spissi fortifications were built by Freiherr von Weissenburg about 1 kilometer (0.6 mile) south-west of the castle.  It was built to help defend the entrance to the Niedersimmental.
The castle was built around the 12th or 13th century on or near the site of an earlier fortified estate.  It was owned by the Freiherr von Strättligen and then the Freiherr von Weissenburg.  In 1334 the town and castle were attacked and taken by Bernese troops.  In 1449 Bern bought it from its current owner, the von Scharnachtal family.  Under Bernese rule the castle became the center of the Niedersimmental district.  During the 17th and 18th centuries the castle was expanded in several stages into its current appearance.  After the 1803 Act of Mediation, the castle became the center of new Niedersimmental district.  In 1967 the district administration moved into a modern office building but the district court remained in the castle.  In 2010 the administrative structure of the Canton of Bern changed.  The court moved from Wimmis to Thun and the castle was given to the municipality.
Wimmis