Mälaren

Mälaren, Sveriges till storleken tredje insjö efter Vänern och Vättern.

Här finns Södertäljeleden (farleden Stockholm - Södertälje), Västeråsleden (leden Björköfjärden - Västerås), Köpingsleden (leden Ridöfjärden - Köping).

 Sjöns yta utgörs av en mängd fjärdar vikar och sund. Yta 1140 km2 (exklusive öarnas yta), längd 117 km, bredd 0,5-50 km, största djup 64 m. 
 Tillflöden sker genom Arbogaån (med Hjälmare kanal), Kolbäcksån (med Strömsholms kanal), Eskilstunaån, Fyrisån m fl. Mälaren utfaller i Östersjön vid Stockholm via Norrström och Söderström (Slussen). Handelssjöfart genom Södertälje kanal. 
Mälaren har ett flertal ledfyrar och ensfyrar men har inte haft f.d. bemannade fyrplatser eller fyrskepp. 

Kartan visar ett urval obemannade ledfyrar, hamnfyrar och ensfyrar

Laddar karta ...

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title=\"Abborrstenen\"\u003EAbborrstenen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.454436,"lon":16.358201,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Kattsk%C3%A4r\" title=\"Kattsk\u00e4r\"\u003EKattsk\u00e4r\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.452522,"lon":16.320584,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Kvicksund\" title=\"Kvicksund\"\u003EKvicksund\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.450699,"lon":16.281708,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Sm%C3%A5holm\" title=\"Sm\u00e5holm\"\u003ESm\u00e5holm\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.447726,"lon":16.250504,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Brobygrund\" title=\"Brobygrund\"\u003EBrobygrund\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.445952,"lon":16.243159,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Espholmen\" title=\"Espholmen\"\u003EEspholmen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.443504,"lon":16.222982,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/L%C3%B6vn%C3%A4sudde\" title=\"L\u00f6vn\u00e4sudde\"\u003EL\u00f6vn\u00e4sudde\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.442846,"lon":16.168566,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Torpagrund\" title=\"Torpagrund\"\u003ETorpagrund\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.430376,"lon":16.104228,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Kungs%C3%B6r\" title=\"Kungs\u00f6r\"\u003EKungs\u00f6r\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.460941,"lon":16.216079,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Tallklubben\" title=\"Tallklubben\"\u003ETallklubben\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.466016,"lon":16.192749,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/%C3%96stra_Torpet\" title=\"\u00d6stra Torpet\"\u003E\u00d6stra Torpet\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.461047,"lon":16.191013,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Skylgrund\" title=\"Skylgrund\"\u003ESkylgrund\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.470922,"lon":16.214585,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Sandholmen\" 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Fyrkur typ Litus på väg att installeras med arbetsbåten "Fyrbjörn". Foto Ann-Louise Gustavsson 2025.

Fyrar m.m.

Mälaren är utprickad och försedd med obemannade fyrar av typen ledfyr, ensfyr och hamnfyr samt kantmarkering av kanaler och farleder.

• F.d. bemannade fyrplatser har INTE funnits i Mälaren.

• Fyrskepp (i tjänst) har INTE funnits i Mälaren, men väl civila.

• Kassunfyrar finns INTE i Mälaren.

• Radiofyrar har INTE funnits i Mälaren.

Leder

Till Mälaren från Norra Östersjön går för större fartyg leden genom Landsort-Södertälje-leden via Södertälje kanal.

Mindre fartyg kan även gå via Stockholms sluss eller Årstaviken.

I Mälaren finns för handelsfarten lederna:

• Södertäljeleden

• Västeråsleden

• Köpingsleden

Mälarens lotsplats

För Mälarens lotsplats, klicka här: Mälarens lotsplats

Mälarprojektet

Sjöfartsverket driver det s.k. Mälarprojektet för "säkrare och mer tillgänglig sjöfart på Södertälje kanal och i Mälaren.

• När ombyggnad av Södertälje kanal och sluss är färdig och den nya Hjulstabron står på plats, kan fartyg med en maxlängd av 150 meter och en bredd på upp till 24 meter angöra Västerås och Köping - en ökning från 135 respektive 18 meter.

• Arbetet med lederna Mälaren till Västerås och Köping blev klara 2025.

• Nu finns 19 kummel, 58 fyrar, 43 prickar, 52 lysprickar, 78 lysbojar. 4 fyrar är helt nya liksom 6 kummel.

* Vid Kvicksundsbron och Hjulstabron (Trafikverket) planeras för byggnation av ledverk.

* Hamnprojekt i Västerås respektive Köping (Västerås stad och Köpings kommun i samverkan).

Några bilder på obemannade fyrar i Mälaren

Klick i bilden länkar vidare

• 

  Abborrstenen. Arkiv schwedische-leuchtfeuer.de/

• 

  Agneudde. Foto Sune Wilhelmsson 2017.

• 

  Biskopsstenarna. Foto Sune Wilhelmsson 2017.

• 

  Bockholmssund övre. Arkiv schwedische-leuchtfeuer.de/

• 

  Bockholmssund nedre. Foto Ulf Schloss 2017.

• 

  Bockholmssund Östra. Foto Sune Wilhelmsson 2017.

• 

  Bogen. Foto Sune Wilhelmsson 2018.

• 

  Bornhuvud. Arkiv schwedische-leuchtfeuer.de/

• 

  Botten. Foto NN

• 

  Branten. Foto Sune Wilhelmsson 2018.

• 

  Brobygrund. Foto Sune Wilhelmsson 2018.

• 

  Bryggholmen. Foto Sune Wilhelmsson 2017.

• 

  Espholmen. Foto Sune Wilhelsson 2018.

• 

  Estbröte. Foto Sune Wilhelmsson 2017.

• 

  Fagerö. Foto Sune Wilhelmsson 2018.

• 

  Fageröflisan. Foto Sune Wilhelmsson 2018.

• 

  Flaten. Foto Sune Wilhelmsson 2017.

• 

  Flatgarn. Foto Sune Wilhelmsson 2018.

• 

  Flottsund. Foto Tommy Öberg2018.

• 

  Flottviken. Foto NN

• 

  Fläsket. Foto Johan Fredriksson 2017.

• 

  Fröholmen. Foto Sune Wilhelmsson 2017.

• 

  Gisselholmen. Foto Sune Wilhelmsson 2017.

• 

  Gliparna. Foto Sune Wilhelmsson 2018

• 

  Grönsö. Foto Sune Wilhelmsson 2017.

• 

  Gåsholm. Foto Sune Wilhelmsson 2017.

• 

  Haga. Arkiv schwedische-leuchtfeuer.de/

• 

  Hallingön. Foto Sune Wilhelmsson 2017.

• 

  Hjulsta. Foto Sune Wilhelmsson 2017.

• 

  Hovaren. Arkiv schwedische-leuchtfeuer.de/

• 

  Husgarn. Foto Sune Wilhelmsson 2017.

• 

  Hästskär. Foto Sune Wilhelmsson 2017.

• 

  Högholm. Foto Sune Wilhelmsson 2017.

• 

  Kattskär. Foto Sune Wilhelmsson 2018.

• 

  Koholmsgrund. Foto Sune Wilhelmsson 2014.

• 

  Koholmsudden. Foto Sune Wilhelmsson 2018.

• 

  Kolsundet. Foto Sune Wilhelmsson 2017.

• 

  Kungsberget. Arkiv Sune Wilhelmsson 2020.

• 

  Kungshatt. Foto Sune Wilhelmsson 2017.

• 

  Kungsör övre. Arkiv schwedische-leuchtfeuer.de/

• 

  Kungsör nedre. Arkiv schwedische-leuchtfeuer.de/

• 

  Kurön. Foto Sune Wilhelmsson 2014.

• 

  Kvicksund Östra. Arkiv schwedische-leuchtfeuer.de/

• 

  Kvicksund Västra. Arkiv schwedische-leuchtfeuer.de/

• 

  Kyrkegrund. Foto Sune Wilhelmsson 2017.

• 

  Köping övre. Arkiv schwedische-leuchtfeuer.de/

• 

  Köping nedre. Arkiv schwedische-leuchtfeuer.de/

• 

  Lastberget. Foto Sune Wilhelmsson 2018.

• 

  Lilla Aggarö. Foto Sune Wilhelmsson 2017.

• 

  Lustig fyr. Foto Sune Wilhelmsson

• 

  Långhällsudde. Foto Johan Fredriksson 2015.

• 

  Lövnäsudde. Foto Sune Wilhelmsson 2018.

• 

  Märsön. Foto Sune Wilhelmsson 2017.

• 

  Nybyholm. Foto Sune Wilhelmsson 2024.

• 

  Oknö Hälludde. Foto Johan Fredriksson 2018.

• 

  Ridö. Foto Sune Wilhelmsson 2018.

• 

  Ridö Pilskär. Foto Sune Wilhelmsson 2013.

• 

  Ryssgrund. Foto Sune Wilhelmsson 2017.

• 

  Sandholmen nedre. Foto Sune Wilhelmsson 2018.

• 

  Sandudden. Foto NN

• 

  Selaön. Foto Sune Wilhelmsson 2017.

• 

  Sigtuna hamnfyr. Arkiv wikiwand.com

• 

  Skylgrund. Foto Sune Wilhelmsson 2018.

• 

  Slagstaholm. Foto Sune Wilhelmsson 2017.

• 

  Småholm. Foto Sune Wilhelmsson 2018.

• 

  Snesarboudde. Foto Sune Wilhelmsson 2024.

• 

  Stavskallen. Foto Sune Wilhelmsson 2014.

• 

  Stora Aggarö. Foto Sune Wilhelmsson 2017.

• 

  Stora Gåsholm. Foto Sune Wilhelmsson 2017.

• 

  Stora Sandskär. Foto Sune Wilhelmsson 2017.

• 

  Strömskär. Foto Sune Wilhelmsson 2017.

• 

  Sätra. Foto Sune Wilhelmsson 2017.

• 

  Tallklubben. Foto Sune Wilhelmsson 2018.

• 

  Tedarö. Foto Sune Wilhelmsson 2017.

• 

  Tegeltorp. Foto Sune Wilhelmsson 2018.

• 

  Toppvik. Foto Sune Wilhelmsson 2013.

• 

  Toresta. Foto Sune Wilhelmsson 2017.

• 

  Torpagrund. Foto Sune Wilhelmsson 2018.

• 

  Torshälla. Foto Sune Wilhelmsson 2014.

• 

  Viksberg. Foto Sune Wilhelmsson 2018.

• 

  Vretbo övre. Arkiv schwedische-leuchtfeuer.de/

• 

  Vretbo nedre. Arkiv schwedische-leuchtfeuer.de/

• 

  Våmben. Foto Sune Wilhelmsson 2017.

• 

  Vårby Oljehamn Östra nedre och övre. Foto Sune Wilhelmsson 2018.

• 

  Vårby Oljehamn Västra nedre och övre. Foto Sune Wilhelmsson 2018.

• 

  Vällinge. Foto Sune Wilhelmsson 2017.

• 

  Västerås. Foto Sune Wilhelmsson 2014.

• 

  Västra Holmen. Arkiv schwedische-leuchtfeuer.de/

• 

  Ytterholm. Foto Sune Wilhelmsson 2013.

• 

  Östra Torpet. Foto Sune Wilhelmsson 2018.

Fyrskepp

Någon fyrskeppsstation har INTE funnits i Mälaren, men väl civila och förtöjda fyrskepp.

• 

  Fyrskepp Nr 5 Utgrunden alias Svenska Björn. Foto Sune Wilhelmsson 2016

• 

  Fyrskepp Nr 2B Almagrundet låg i Västerås 1999-2015. Fotograf okänd

Kanaler

Sjötrafiken leds huvudsakligen via Södertälje kanal och Hammarbyleden.

Mälaren har anslutning till följande kanaler:

• 1639 invigdes Hjälmare kanal
• 1792 invigdes Strömsholms kanal
• 1819 invigdes Södertälje kanal
• 1929 invigdes Hammarbyleden

Länkar

• Mälaren. Ur Blänket Nr 2016:2 Mälarens ledfyrar, Sune Wilhelmsson

Jfr kanal, Hjälmare kanal, Strömsholms kanal, Södertälje kanal, Hammarbyleden

Jfr Bottenviken, Norra Kvarken, Bottenhavet, Ålands hav, Finska viken, Norra Östersjön, Mellersta Östersjön (med Gotland, Öland, Kalmarsund), Södra Östersjön, Öresund, Kattegatt, Skagerack, Nordsjön, Norska havet, Barents hav, Vänern, Vättern, Mälaren, Hjälmaren, Ladoga,

Jfr svenskt fyrväsende, danskt fyrväsende, finskt fyrväsende, norskt fyrväsende