There are a few adventure parks around Kungsbacka.
One of them is Upzone in Gothenburg.
More information:
https://www.upzone.se/en/
Partille: https://www.high-adventure.se/
Olsfors- between Gothenburg and Borås:
https://buaskogen.se/

There are several others a bit further away. Let us know how they are, we haven’t tried anyone of these ourselves yet.