"You can reliably recognize the true worth of a person in what they do with their free time," according to Karl Heinrich Waggerl (1897-1973), an Austrian writer.

Troisdorf has a large selection of leisure activities. Whether in a sports club (only in German available) or one of the many other clubs (only in German available) amidst the natural beauty of the Rotter See, on Wahner Heide or in the Siegniederung, in the numerous recreational facilities or in Troisdorf's guesthouses.