Mälaren

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

 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

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title=\"Vretbo\"\u003EVretbo\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.5141569999999973106241668574512004852294921875,"lon":16.731275000000000119371179607696831226348876953125,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Lilla_Aggar%C3%B6\" title=\"Lilla Aggar\u00f6\"\u003ELilla Aggar\u00f6\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.51225600000000071077010943554341793060302734375,"lon":16.705611999999998573684933944605290889739990234375,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Stora_Aggar%C3%B6\" title=\"Stora Aggar\u00f6\"\u003EStora Aggar\u00f6\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.51393800000000311456460622139275074005126953125,"lon":16.665026000000001005219019134528934955596923828125,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Rid%C3%B6\" title=\"Rid\u00f6\"\u003ERid\u00f6\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.5283390000000025565896066837012767791748046875,"lon":16.677064000000001442458597011864185333251953125,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Fr%C3%B6holmen\" title=\"Fr\u00f6holmen\"\u003EFr\u00f6holmen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.529584999999997307895682752132415771484375,"lon":16.589555000000000717363946023397147655487060546875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Stora_Sandsk%C3%A4r\" title=\"Stora Sandsk\u00e4r\"\u003EStora Sandsk\u00e4r\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.57535500000000183717929758131504058837890625,"lon":16.551784000000001384478309773840010166168212890625,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Hovaren\" title=\"Hovaren\"\u003EHovaren\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.57880800000000220961737795732915401458740234375,"lon":16.559630999999999545480022788979113101959228515625,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/V%C3%A4stra_Holmen\" title=\"V\u00e4stra Holmen\"\u003EV\u00e4stra Holmen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.60157199999999733108779764734208583831787109375,"lon":16.55085199999999900910552241839468479156494140625,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/V%C3%A4ster%C3%A5s\" title=\"V\u00e4ster\u00e5s\"\u003EV\u00e4ster\u00e5s\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.51279699999999905912773101590573787689208984375,"lon":16.586988000000001619582690182141959667205810546875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Flaten\" title=\"Flaten\"\u003EFlaten\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.50420199999999937290340312756597995758056640625,"lon":16.578289999999999082547219586558640003204345703125,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/H%C3%B6gholm\" title=\"H\u00f6gholm\"\u003EH\u00f6gholm\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.4716609999999974434103933162987232208251953125,"lon":16.5262239999999991368895280174911022186279296875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Stavskallen\" title=\"Stavskallen\"\u003EStavskallen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.46086199999999877263689995743334293365478515625,"lon":16.471129000000001241232894244603812694549560546875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Torsh%C3%A4lla\" title=\"Torsh\u00e4lla\"\u003ETorsh\u00e4lla\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.4453079999999971505530993454158306121826171875,"lon":16.489129999999999398596628452651202678680419921875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Abborrstenen\" title=\"Abborrstenen\"\u003EAbborrstenen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.4544360000000011723386705853044986724853515625,"lon":16.35820100000000110185283119790256023406982421875,"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":59.4525220000000018671926227398216724395751953125,"lon":16.320584000000000202135197469033300876617431640625,"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":59.4506990000000001828084350563585758209228515625,"lon":16.281707999999998293105818447656929492950439453125,"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":59.4477260000000029549482860602438449859619140625,"lon":16.25050399999999939382178126834332942962646484375,"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":59.44595199999999834972186363302171230316162109375,"lon":16.24315899999999857072907616384327411651611328125,"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":59.44350399999999723377186455763876438140869140625,"lon":16.222981999999998237171894288621842861175537109375,"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":59.442846000000002959495759569108486175537109375,"lon":16.16856599999999843930709175765514373779296875,"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":59.43037600000000253430698649026453495025634765625,"lon":16.10422799999999909914549789391458034515380859375,"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":59.46094099999999826877683517523109912872314453125,"lon":16.21607900000000057616489357315003871917724609375,"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":59.46601600000000331647243001498281955718994140625,"lon":16.19274899999999917099557933397591114044189453125,"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":59.46104700000000065074345911853015422821044921875,"lon":16.191013000000001653688741498626768589019775390625,"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":59.470922000000001617081579752266407012939453125,"lon":16.21458499999999958163243718445301055908203125,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Sandholmen\" title=\"Sandholmen\"\u003ESandholmen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.45161399999999929377736407332122325897216796875,"lon":16.159031999999999840156306163407862186431884765625,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Bogen\" title=\"Bogen\"\u003EBogen\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.4586010000000015907062334008514881134033203125,"lon":16.18741800000000097270458354614675045013427734375,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Gliparna\" title=\"Gliparna\"\u003EGliparna\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.45029000000000252157406066544353961944580078125,"lon":16.07917499999999932924765744246542453765869140625,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Botten\" title=\"Botten\"\u003EBotten\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.4964810000000028367139748297631740570068359375,"lon":16.033460999999999074816514621488749980926513671875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/K%C3%B6ping\" title=\"K\u00f6ping\"\u003EK\u00f6ping\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.4346129999999988058334565721452236175537109375,"lon":16.170190000000001617763700778596103191375732421875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Sandudden\" title=\"Sandudden\"\u003ESandudden\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":59.12717599999999862347976886667311191558837890625,"lon":17.68408000000000157569957082159817218780517578125,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Fl%C3%A4skl%C3%B6sa\" title=\"Fl\u00e4skl\u00f6sa\"\u003EFl\u00e4skl\u00f6sa\u003C/a\u003E\n"},{"text":"","title":"","link":"","lat":58.84229400000000254067344940267503261566162109375,"lon":17.723504999999999398596628452651202678680419921875,"icon":"/wiki/images/0/0d/PluppFyr.png","inlineLabel":"\u003Ca href=\"/wiki/index.php/Fif%C3%A5ng\" title=\"Fif\u00e5ng\"\u003EFif\u00e5ng\u003C/a\u003E\n"}]}

Fd bemannade fyrplatser

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

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

Några bilder på obemannade fyrar i Mälaren

• 

  Agneudde. Foto Sune Wilhelmsson

• 

  Bockholmssund övre. Foto NN

• 

  Bockholmssund nedre. Foto NN

• 

  Bryggholmen. Foto Sune Wilhelmsson

• 

  Estbröte. Foto NN

• 

  Flaten. Foto Sune Wilhelmsson

• 

  Flatgarn. Foto Sune Wilhelmsson

• 

  Flottsund. Foto TO

• 

  Fläsket. Foto NN

• 

  Gisselholmen. Foto Sune Wilhelmsson

• 

  Grönsö. Foto Sune Wilhelmsson

• 

  Gåsholm. Foto NN

• 

  Haga. Foto NN

• 

  Hjulsta. Foto Sune Wilhelmsson

• 

  Husgarn. Foto Sune Wilhelmsson

• 

  Hästskär. Foto Sune Wilhelmsson

• 

  Högholm. Foto Sune Wilhelmsson

• 

  Koholmsgrund. Foto Sune Wilhelmsson

• 

  Kungshatt. Foto NN

• 

  Kungsör övre. Foto NN

• 

  Kungsör nedre. Foto NN

• 

  Kurön. Foto Sune Wilhelmsson

• 

  Kvicksund Västra. Foto NN

• 

  Kvicksund Östra. Foto NN

• 

  Kyrkegrund. Foto Sune Wilhelmsson

• 

  Köping övre. Foto NN

• 

  Köping nedre. Foto NN

• 

  Lustig fyr. Foto Sune Wilhelmsson

• 

  Långhällsudde. Foto NN

• 

  Märsön. Foto Sune Wilhelmsson

• 

  Nybyholm. Foto Sune Wilhelmsson

• 

  Oknö Hälludde. Foto Sune Wilhelmsson

• 

  Ridö Pilskär. Foto Sune Wilhelmsson

• 

  Ryssgrund. Foto Sune Wilhelmsson

• 

  Sigtuna hamnfyr. Arkiv wikiwand.com

• 

  Slagstaholm. Foto NN

• 

  Stavskallen. Foto Sune Wilhelmsson

• 

  Stora Aggarö. Foto Sune Wilhelmsson

• 

  Stora Sandskär. Foto Sune Wilhelmsson

• 

  Strömskär. Foto Sune Wilhelmsson

• 

  Sätra. Foto NN

• 

  Tedarö. Foto Sune Wilhelmsson

• 

  Tegeltorp. Foto NN

• 

  Toppvik. Foto Sune Wilhelmsson

• 

  Torshälla. Foto Sune Wilhelmsson

• 

  Viksberg. Foto NN

• 

  Vällinge. Foto NN

• 

  Västerås. Foto Sune Wilhelmsson

• 

  Ytterholm. Foto Sune Wilhelmsson

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

Kassunfyrar

Kassunfyrar finns INTE (?) i Mälaren.

Radiofyrar

Radiofyrar har INTE funnits i Mälaren.

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