While the Dolomites has a decent regional bus network (Südtirol Mobil), having a car is highly recommended for the best experience. The region is vast, and many of the most iconic "Instagrammable" spots, such as Seceda, Lago di Braies, or the Val di Funes, are spread out and can be difficult to reach efficiently via public transit. Buses often run on limited schedules, especially during the "shoulder" seasons (May or October), which can lead to long wait times or missed connections. With a car, you have the freedom to arrive at popular trailheads before the crowds, stay in more affordable "agriturismos" tucked away in the hills, and chase the best light for photography without being tethered to a bus timetable. However, be prepared for narrow, winding mountain passes and "ZTL" (restricted traffic zones) in smaller villages. If you are strictly visiting main hubs like Cortina d'Ampezzo or Ortisei, you can manage without a car, but for a true alpine adventure, a rental vehicle is the gold standard.