■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 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 B.S.L.=Biwako Basic Surface Water level Top▲   ■Contact us Copyright(c) 2003 Incorporated Administrative Agency Japan Water Agency Lake Biwa Development Integrated Operation & Maintenance Office All Rights Reserved.