From Frankfurt to Friedrichshafen and Lindau, take the ICE (InterCity Express) to Ulm and then transfer (total time 4 hours). A combination of ICE and regional train gets you to Konstanz from Frankfurt in 4½ hours, passing through the beautiful scenery of the Black Forest. From Stuttgart to Konstanz, take the IC (InterCity) to Singen, and transfer to an RE or IRE (Regional/InterRegio Express) for the brief last leg to Konstanz (total time 2½ hours). From Munich to Lindau, the EC (Europe Express) train or the ALX (Alex) train take 2½ hours. From Zürich to Konstanz, the trip lasts 1½ hours. Local trains encircle the Bodensee, stopping at most towns and villages.