Well-preserved tower that can be climbed. The climb is quite narrow, with a few viewing windows. At the top there is a beautiful panoramic view of the Odenwald. Enough space for several people.
Zwingenberg Castle is simply beautiful! It can be seen in all its glory from the small road to Neunkirchen. The road itself is highly recommended for cyclists, as it's a pleasant ride with little traffic.
If you're on the Neckartal Cycle Path or the Odenwald-Madonnen-Radweg, you can look over the town of Eberbach from here. If you have the time and inclination, then the detour …