For Pentecost, campsites and hotels at Lake Constance are almost fully booked. According to DEHOGA, the number of German tourists choosing domestic holidays is rising. The Lake Constance–Upper Swabia region was among the top 5 camping destinations in Germany in 2025.
At the Birnau-Morach campsite (also referred to as Birnau-Maurach), 30–40 requests are rejected daily, and 80% of guests are from Germany. Hotels in Konstanz report only a few vacant rooms. Forecasters predict up to 30 °C.