Alir's Eye is one of Sweden's landscape artworks.
https://www.visitsoderhamn.se/boka/se-gora/909091/alirs-%C3%B6ga/detaljer

At Stenö, on the Baltic Sea, you will find a four-star campsite.

In Söderhamn you also find of Europe's largest flight simulators. The Aerial Museum is frequented by people from other parts of Sweden as well as tourists from all over the world.
http://www.soderhamnflygmuseum.se/

In the middle of town, on a big rock to the east, stands a castle from the late 1800s, watching over the surroundings. Oscarsborg was created on the initiative of Söderhamn's sångförening (a choir). The castle is a lookout tower and a well-known symbol of the town.
https://www.visitsoderhamn.se/boka/se-gora/909081/oscarsborg/detaljer?page=2&filter=c%3D26989

Söderhamn has nice parks with a variety of trees. In the summer you can enjoy and admire many flower plantations. Some of these flowers are over sixty years old and are wintered in greenhouses that the municipality takes care of. In the Town Hall Park, one of the most beautiful parks in Söderhamn, you will find a statue of the Archbishop and Nobel prize winner of 1930, Nathan Söderblom, a native of Söderhamn.
https://www.visitsoderhamn.se/boka/se-gora/909096/r%c3%a5dhustorgets-byggnadsminnen/detaljer?page=2&filter=c%3D26989

Cultural life is rich here even though it is a small town. At the World Heritage Site Erik Anders, the World Heritage Jazz is organized every summer. It usually attracts many visitors. The concert is held in memory of the piano and jazz musician Jan Johansson who was born in Söderhamn. 
http://www.varldsarvsjazzen.se/ , https://www.visitsoderhamn.se/sv/halsingegarden-erik-anders-besokscenter-och-varldsarvsgard

The many associations in Söderhamn, in cooperation with representatives from the municipality, all contribute to a wide range of cultural and leisure activities.