The Reformed parish church of St. Niklaus and the house (known as Grosses Haus) at Hauptstrasse 54 are listed as Swiss heritage site of national significance.
 The entire village of Oltingen is part of the Inventory of Swiss Heritage Sites.

The Church of St. Niklaus is located outside and slightly above the village of Oltingen.
 The church is surrounded by a low wall, which encloses the church, rectory, barns and an ossuary.
 The church was built in 1474.
 In 1852, the nave was widened toward the north.
 The interior of the church is decorated with a series of late-gothic murals.
 The murals include images of Marian legends, the Last Judgement, Apostles and Saints.
The Reformed parish church of St. Niklaus and the house (known as Grosses Haus) at Hauptstrasse 54 are listed as Swiss heritage site of national significance.  The entire village of Oltingen is part of the Inventory of Swiss Heritage Sites.
The Church of St. Niklaus is located outside and slightly above the village of Oltingen.  The church is surrounded by a low wall, which encloses the church, rectory, barns and an ossuary.  The church was built in 1474.  In 1852, the nave was widened toward the north.  The interior of the church is decorated with a series of late-gothic murals.  The murals include images of Marian legends, the Last Judgement, Apostles and Saints.
Oltingen