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The 30 largest lakes in Japan

The top 3 according to 26 votes from people: Lake Biwa · Lake Inawashiro · Lake Shinji. (Updated Nov 3, 2024.)

Japan's largest lake is Lake Biwa in Shiga Prefecture, at about 669 km² – almost four times the size of second-placed Kasumigaura. Twelve of the top 30 are in Hokkaido, many of them coastal brackish lakes such as Saroma, Notoro and Fūren. The ranking follows the list of Japanese lakes by area based on Geospatial Information Authority figures, with maximum depth.

Yuki Fujita · · 30 items · 26 votes · 0 comments

Automatically translated (original in 日本語). See the original

Top 30

  1. 1

    Lake Biwa

    Shiga Prefecture. Area 669.26 km², max. depth 103.6 m. Japan's largest lake by both area and volume.

    ▲ 4 ▼ 0

    4
  2. 2

    Lake Inawashiro

    Fukushima Prefecture. Area 103.24 km², max. depth 94.6 m.

    ▲ 2 ▼ 0

    2
  3. 3

    Lake Shinji

    Shimane Prefecture. Area 79.25 km², max. depth 6.4 m.

    ▲ 2 ▼ 0

    2
  4. 4

    Lake Hamana

    Shizuoka Prefecture. Area 64.92 km², max. depth 16.6 m.

    ▲ 2 ▼ 0

    2
  5. 5

    Lake Towada

    Aomori and Akita Prefectures. Area 61.10 km², max. depth 327.0 m.

    ▲ 2 ▼ 0

    2
  6. 6

    Lake Saroma

    Hokkaido Prefecture. Area 151.59 km², max. depth 20.0 m. Japan's largest brackish lake.

    ▲ 1 ▼ 0

    1
  7. 7

    Nakaumi

    Shimane and Tottori Prefectures. Area 85.74 km², max. depth 8.4 m.

    ▲ 1 ▼ 0

    1
  8. 8

    Lake Kussharo

    Hokkaido Prefecture. Area 79.54 km², max. depth 117.0 m.

    ▲ 1 ▼ 0

    1
  9. 9

    Lake Shikotsu

    Hokkaido Prefecture. Area 78.48 km², max. depth 363.0 m. The second deepest in Japan, after Lake Tazawa.

    ▲ 1 ▼ 0

    1
  10. 10

    Lake Fūren

    Hokkaido Prefecture. Area 59.01 km², max. depth 11.0 m.

    ▲ 1 ▼ 0

    1
  11. 11

    Kitaura (part of Kasumigaura)

    Ibaraki Prefecture. Area 35.03 km², max. depth 10.0 m.

    ▲ 1 ▼ 0

    1
  12. 12

    Hachirōgata regulating pond

    Akita Prefecture. Area 31.50 km², max. depth 12.0 m. Before it was drained, Hachirōgata covered about 220 km² and was Japan's second largest lake.

    ▲ 1 ▼ 0

    1
  13. 13

    Lake Chūzenji

    Tochigi Prefecture. Area 11.90 km², max. depth 163.0 m. The highest lake of more than 10 km² in Japan, at 1,269 m.

    ▲ 1 ▼ 0

    1
  14. 14

    Lake Tōfutsu

    Hokkaido Prefecture. Area 8.19 km², max. depth 2.5 m.

    ▲ 1 ▼ 0

    1
  15. 15

    Lake Ikeda

    Kagoshima Prefecture. Area 10.91 km², max. depth 233.0 m. The largest lake in Kyushu.

    ▲ 1 ▼ 1

    0
  16. 16

    Kasumigaura

    Ibaraki Prefecture. Area 168.10 km², max. depth 7.0 m.

    ▲ 0 ▼ 0

    0
  17. 17

    Lake Tōya

    Hokkaido Prefecture. Area 70.72 km², max. depth 180.0 m.

    ▲ 0 ▼ 0

    0
  18. 18

    Lake Ogawara

    Aomori Prefecture. Area 61.98 km², max. depth 24.0 m.

    ▲ 0 ▼ 0

    0
  19. 19

    Lake Notoro

    Hokkaido Prefecture. Area 58.20 km², max. depth 21.2 m.

    ▲ 0 ▼ 0

    0
  20. 20

    Lake Akkeshi

    Hokkaido Prefecture. Area 32.31 km², max. depth 11.0 m.

    ▲ 0 ▼ 0

    0
  21. 21

    Lake Abashiri

    Hokkaido Prefecture. Area 32.28 km², max. depth 16.8 m.

    ▲ 0 ▼ 0

    0
  22. 22

    Lake Tazawa

    Akita Prefecture. Area 25.75 km², max. depth 423.0 m. At 423 m, the deepest lake in Japan.

    ▲ 0 ▼ 0

    0
  23. 23

    Lake Mashū

    Hokkaido Prefecture. Area 19.22 km², max. depth 211.5 m. Famous for the clarity of its water.

    ▲ 0 ▼ 0

    0
  24. 24

    Lake Kutcharo

    Hokkaido Prefecture. Area 13.40 km², max. depth 2.5 m.

    ▲ 0 ▼ 0

    0
  25. 25

    Lake Akan

    Hokkaido Prefecture. Area 13.25 km², max. depth 45.0 m.

    ▲ 0 ▼ 0

    0
  26. 26

    Lake Suwa

    Nagano Prefecture. Area 12.81 km², max. depth 6.3 m.

    ▲ 0 ▼ 0

    0
  27. 27

    Inba-numa

    Chiba Prefecture. Area 9.43 km², max. depth 2.5 m.

    ▲ 0 ▼ 0

    0
  28. 28

    Lake Jūsan

    Aomori Prefecture. Area 17.81 km², max. depth 3.0 m.

    ▲ 0 ▼ 1

    -1
  29. 29

    Lake Hibara

    Fukushima Prefecture. Area 10.86 km², max. depth 31.0 m.

    ▲ 0 ▼ 1

    -1
  30. 30

    Hinuma

    Ibaraki Prefecture. Area 9.30 km², max. depth 3.0 m.

    ▲ 0 ▼ 1

    -1

How is this ranking ordered? By people's votes: each ▲ adds a point and each ▼ takes one away. Anyone can vote and add what is missing.

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