The Gunnar S. Gundersen gallery in Byporten in Høyanger was opened on 29 November 2018. The gallery contains Høyanger municipality's collection of original works of art by Gunnar S. Gundersen
The collection includes around 30 works by the artist and covers the period approx. 1950 to approx. 1980. The work consists of drawings, watercolours, paintings and serigraphs. In addition, drawings, sketchbooks, jewelery and photography are shown in a separate stand. Gunnar S's exhibition can be found on the second floor of the museum. On the first floor, there is a rolling exhibition of various artists under the auspices of the Høyanger Art Association.