Naturally, the Black Forest is ideal for all kinds of outdoor activities. These include, but are not limited to, hiking, Nordic walking, and biking. The Black Forest Nature Park (Central/Northern region) offers a wealth of tours. Currently, there are 246 Nordic walking routes, 137 mountain bike routes, and 149 Black Forest Guided Tours listed. The selection is constantly being expanded. Here are some suggestions:

https://www.naturparkschwarzwald.de/Hiking and mountain biking tours