{{Short description|Lake in Switzerland}} {{Infobox body of water | name = Lake Sempach | other_name = Sempachersee | image = Aerial image of Lake Sempach (view from the south).jpg | caption = | image_bathymetry = | caption_bathymetry = | location = Canton of Lucerne | coords = {{coord|47|8.6667|N|8|9.1|E|region:CH-LU_type:waterbody|display=inline,title}} | type = | inflow = Gross Aa, Chli Aa (Sempachersee), Meierhofbach, Wilibach, Dorfbach (Sempachersee), Brandbach, Röllbach (Sempachersee), Lipperütibach, and some unnamed | outflow = Suhre | catchment = | basin_countries = Switzerland | length = | width = | area = {{convert|14.5|km2|abbr=on}} | depth = {{convert|44|m|abbr=on}} | max-depth = {{convert|87|m|abbr=on}} | volume = {{convert|0.66|km3|acre.ft|abbr=on}} | residence_time = 16.9 years | shore = | elevation = {{convert|503.77|m|abbr=on}} | islands = Gamma Insel | cities = Sursee, Sempach | pushpin_map=Canton of Lucerne#Switzerland#Alps | pushpin_label_position= bottom | mapframe = yes | mapframe-zoom = 12 }} __NOTOC__ '''Lake Sempach''' ({{langx|de|Sempachersee}}, {{IPA|de-CH|ˈzɛmpaxərˌzeː}}) is a lake in the canton of Lucerne, Switzerland. Its area is about {{convert|14.5|km2|abbr=on}} and its maximum depth is {{convert|87|m|ft|abbr=on}}.
A {{convert|50|m|ft|adj=mid|-large}} island named ''Gamma Insel'' is located east of Sursee.
In the 17th century the lake counted with five ferries, that brought goods to the weekly market in Sursee.<ref name=":0">{{Cite book |last=Waldis |first=Alfred |title=Es begann am Gotthard |publisher=Maihof Verlag |year=2002 |isbn=3-95220335-1 |location=Lucerne |pages=48}}</ref>
Many inhabitants of local areas swim, boat, paddle, and fish in Lake Sempach, due to its ease of accessibility.
==References== {{Reflist}}
==External links== *{{Commons category-inline|Lake Sempach}} *[http://www.umwelt-luzern.ch/index/gewaesser/sempachersee.htm Sempachersee] {{Webarchive|url=https://web.archive.org/web/20070927012111/http://www.umwelt-luzern.ch/index/gewaesser/sempachersee.htm |date=2007-09-27 }} {{in lang|de}} *http://www.sempachersee.ch {{in lang|de}} Information about the municipalities on the lake *[http://www.hydrodaten.admin.ch/en/2168.html#aktuelle_daten Waterlevels Lake Sempach] at Sempach
{{Lakes of Switzerland}} {{Authority control}}
{{DEFAULTSORT:Sempach}} Category:Lakes of Switzerland Category:Lakes of the canton of Lucerne LSempach
{{Lucerne-geo-stub}} {{Switzerland-lake-stub}}