Lake Constance lies at a height of 395.23 m above sea level. Its area extends over 473 km² (Obersee) and another 63 km² (Untersee).
At its deepest point it is 254 m deep.
Popular excursion destinations:
- Boat trip with the White Fleet
- Mainau Island (Flower Island) owned by the Counts of Bernadotte (Royal House of Sweden)
with botanical facilities and animal enclosure - Reichenau Island
Intensive vegetable cultivation, Reichenau Monastery