1. Black Forest in Frankfurt is not a specific attraction, but rather refers to the Black Forest region in Germany. The Black Forest is a mountainous region in southwestern Germany, known for its dense forests, rolling hills, and picturesque villages. It is famous for its cuckoo clocks, Black Forest cake, and traditional wooden houses. The region is also home to several scenic hiking and cycling trails, as well as ski resorts in the winter months.

2. As Frankfurt is not located within the Black Forest region, there are no specific working times or phone numbers for the Black Forest in Frankfurt.

3. If you wish to visit the Black Forest region from Frankfurt, you can do so by either taking a train or driving. The journey by train takes approximately 2-3 hours, depending on the specific destination within the Black Forest. Tickets can be purchased at the train station or online. If driving, it is advisable to rent a car and follow the signs to the Black Forest. There are various parking areas and trails available for visitors to explore the region.