After an activity when the weather is rainy? Take your time wandering around the interesting displays at Hjorths Fabrik. There's always an opportunity to learn a few new things.
You'll have no end of sightseeing choices in Ronne. Hjorths Fabrik is an ideal place to begin here, but there are loads of other interesting sights to experience. Bornholms Museum, Diamond Spa of Bornholm, and Bornholms Golf Klub are close to the museum and and will cap off your day nicely.