If thrills are what you're after, head to Aggua Troisdorf, located 1.6 mi (2.6 km) from central Troisdorf. If you have fun at Aggua Troisdorf, you'll love Oktopus and Krewelshof, both located nearby.
The centre of Troisdorf is home to cultural attractions like Bergisches freilichtmuseum Lindlar, so you might want to stop by during your stay. If you want to experience more of the culture Troisdorf has to offer, head to Aggua Troisdorf, Golfanlage Clostermanns Hof, and Oktopus.