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Lake Biwa Development Integrated Operation & Maintenance Office
About Lake Biwa Management Activities The Effect of the Project
 
About Lake Biwa
■The feature of Lake Biwa
  ●The scale of Lake Biwa
  ●The depth of Lake Biwa
□Water income and outgo of Lake Biwa
  ●Water flowing from rivers and
   flowing out the River

  ●Watershed area
  ●feed water area
■The feature of Lake Biwa
The scale of Lake Biwa
Lake Area Approx.674km2 Approx. 1/6 of the area of Shiga Prefecture
Max. Length 63.49km The distance from Shiotsu, Nishiazai-cho to Seta, Otsu City
Max. Width 22.80km The distance from Shimosakahama-cho, Nagahama City to Aiba, Shinasashi-cho
Min. width 1.35km The length of Lake Biwa Bridge
Shoreline Length Approx. 235km Almost equal to the distance from Otsu to Hamamatsu
Lake Biwa map
The depth of Lake Biwa
Water Surface Altitude T.P.+84.371m O.P.B.85.614m Biwako Basic Surface Water Level (B.S.L.±0.00) has almost the same altitude as the Osaka Castle Tower
Lake Capacity Approx. 27.5 billion m3 Approx. 1000 times as much as the Amagase Dam
Max. Depth 103.58m The North Lake: Approx. 43m (avereage)
The South Lake: Approx. 4m (average).
T.P.:The mean sea-level of Tokyo Bay   O.P.B.:The mean sea-level of Osaka Bay
lake Biwa's section
B.S.L.=Biwako Basic Surface Water level
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