You do not strictly need a "ticket" or a reservation to enter the Dachau Concentration Camp Memorial Site, as admission is free and it is open to the public. However, in 2026, it is highly recommended to book a guided tour or an audio guide in advance, as these frequently sell out, especially during the summer months and school holidays. If you are arriving as part of a group (over 10 people), you must register your visit in advance with the memorial's administration. For individual travelers, the most important "reservation" isn't for entry, but for the official 2.5-hour tour led by memorial staff; these are limited in capacity and provide essential historical context that is difficult to grasp solely by walking the grounds. Additionally, if you are driving, you should be prepared to pay a small fee for parking. While you can simply show up and walk through the gate, the "pro-tip" for a meaningful visit in 2026 is to secure your tour slot at least two weeks in advance via the memorial's official website to ensure you don't miss out on the educational aspect of this somber site.