This line runs from Arth along the western shore to Immensee, where it bears south-west to Lucerne, while from Immensee another railway leads (at first some way from the shore) to Cham, west of Zug. Public transportation on Lake Zug is done by the Zugersee Schifffahrt / Schifffahrtsgesellschaft für den Zugersee AG (SGZ) .