Lake Biwa Canal (First Tunnel)
Photo: Daderot / CC0 · Original · Resized and croppedMeiji period and later · Modern architecture · National Treasures
Lake Biwa Canal (First Tunnel)
琵琶湖疏水（第一隧道） (びわこそすい)
Lake Biwa Canal (First Tunnel) is a modern heritage site in Otsu, Shiga. Its Lake Biwa Canal Facilities (First Tunnel) is a designated National Treasure (Meiji period, 1890).
Please check opening hours and fees locally before you go.
The text in this language is in preparation.
Key facts
- Designation
- National Treasures
- Era
- Meiji period and later
- Type
- Modern architecture
- Location
- Otsu, Shiga
- Address
- 滋賀県大津市三井寺町、同園城寺町、藤尾奥町、稲葉台、京都府京都市山科区四ノ宮小金塚
Key facts
- Designation
- National Treasures
- Era
- Meiji period and later
- Type
- Modern architecture
- Location
- Otsu, Shiga
- Address
- 滋賀県大津市三井寺町、同園城寺町、藤尾奥町、稲葉台、京都府京都市山科区四ノ宮小金塚
Buildings designated as National Treasures
Lake Biwa Canal Facilities (First Tunnel)
- Era
- Meiji period
- Year
- 1890
- Structure
- brick tunnel, 2,444.4 m long, with two vertical shafts and wing walls
- Designated
- August 27, 2025
Sources and date checked
Facts such as eras, structures and locations are edited and translated by us from the Agency for Cultural Affairs’ database of nationally designated cultural properties. The Agency and the national government did not produce this page.
Database of nationally designated cultural propertiesChecked on November 6, 2026
Report an error
If you notice a mistake, please tell us along with a source for the correct information.
Where to go next
Places you could see on the same day, and places worth comparing.
Nearby cultural heritage
Places within 10 km, nearest first. Distances are in a straight line.
More from Shiga
Discover more of the same region on our sister sites.
Matsuri Biyori
UNESCO-listed festivals in Shiga
- Nagahama Hikiyama Festival Float Event
- Otsu Festival Hikiyama Float Event
- Omi Konan no San'yare Odori
- Omi no Kenketo Matsuri Naginata Furi
Meiga no Furusato
Paintings linked to Shiga
- The Sixty-nine Stations of the Kisokaido: Kashiwabara
- The Sixty-nine Stations of the Kisokaido: Samegai
- The Sixty-nine Stations of the Kisokaido: Banba
- The Sixty-nine Stations of the Kisokaido: Toriimoto
Sake Tabi
Breweries and distilleries in Shiga
- Fujii Honke Sake Brewery Tour
- Nagahama Distillery (Nagahama Roman Beer)
- Nagahama Roman Beer
- Hikone Beer Kojinyama Brewery