The passenger ship, which travels between the lake centers through the season, is also suitable for exploring Lake Altmühlsee in a relaxed manner. A shipping line on which the MS Altmühlsee operates connects the three lake centers (Wald, Muhr am See and Schlungenhof). Weißenburg-Gunzenhausen district: Northern and western a part of the district, with the communities of Absberg, Alesheim, Muhr a.See, Bergen, Burgsalach, Dittenheim, Ellingen, Ettenstatt, Gnotzheim, Gunzenhausen, Haundorf, Heidenheim, Höttingen, Markt Berolzheim, Meinheim, Nennslingen, Pfofeld, Pleinfeld, Polsingen, Raitenbuch, Theilenhofen and Westheim. In: Historical Atlas of Bavaria, a part of Franconia. From here the Altmühl is half of the primary-Danube Canal, which is accompanied on this route on the left and proper by various remnants of its predecessor, the Ludwig-Donau-Most important Canal, a few of that are additionally related to it. From right here, the Altmühl flows in an artificial course on a bigger scale approximately east-southeast to the eastern circulate around the Altmühlsee. Part also runs underground underneath the left edge of the Altmühltal, to the Kleiner Brombachsee in the Rednitz catchment area. Schafgraben, from the left and northwest to under 418 m above sea degree.