Zurich is a fantastic starting and ending point for your trip, offering a blend of beautiful lakeside views, family-friendly parks, and easy access to the Black Forest region. It's a vibrant city with plenty of outdoor spaces and cultural experiences that can be enjoyed by both adults and children. Given your travel plans, Zurich's proximity to the Black Forest and excellent transport connections make it an ideal gateway for your adventure.

Stuttgart is a fantastic base for your family trip, offering a mix of educational experiences like the Mercedes-Benz and Porsche Museums, outdoor parks, and shopping opportunities at the Metzingen outlet mall nearby. It's well connected and perfect for day trips to places like Europa-Park and go-karting venues. The city also provides a great balance of urban amenities and access to nature, making it ideal for your kids and adults alike.

Freiburg im Breisgau is a charming city in the heart of the Black Forest, perfect for a family holiday with its family-friendly outdoor activities, beautiful parks, and quaint old town. It offers easy access to nature trails, playgrounds, lakes for picnics and boat rides, and educational experiences like glass factories and steam train rides. This makes Freiburg an ideal base for exploring the Black Forest with kids, combining fun, nature, and learning.

Zurich is a fantastic starting and ending point for your trip, offering a blend of beautiful lakeside views, family-friendly parks, and easy access to the Black Forest region. It's a vibrant city with plenty of outdoor spaces and cultural experiences that can be enjoyed by both adults and children. Given your travel plans, Zurich's proximity to the Black Forest and excellent transport connections make it an ideal gateway for your adventure.