Home to Sweden's largest, highest, and longest lock system. It consists of an 82-kilometer long canal with a total of 6 locks that connects Vänern(Sweden's largest and Europe's third largest lake) to Kattegat. The total rise is 44 meters. 4 locks with a rise of 32 meters are within the city limits.

It's also home to Olidan, Sweden's first large-scale hydroelectric powerplant

The locks:

Statues

Street art

The city