List of lakes of Japan

The list of lakes in Japan ranked by surface area.

Rank Name
Region
Prefecture¹
Municipalities Water Area
(km2)
Max Depth
(m)
Altitude
(m)
Volume
(km3)
1 Biwa Kansai Shiga Ōtsu, Kusatsu, Higashi-Ōmi, Hikone
Nagahama, Moriyama, Ōmi-Hachiman
Takashima, Yasu, Maibara
Fresh 670.3 103.8 85 27.5
2 Kasumigaura Kantō Ibaraki Tsuchiura, Ishioka, Omitama, Inashiki
Ami, Kasumigaura, Namegata, Itako, Miho
Fresh 167.6 7.10 0 0.85
3 Saroma Hokkaidō Abashiri Kitami, Saroma, Yūbetsu Brackish 151.9 19.6 0 1.3
4 Inawashiro Tōhoku Fukushima Aizuwakamatsu, Inawashiro, Kōriyama Fresh 103.3 94.6 514 5.40
5 Nakaumi San'in Shimane
Tottori
Matsue, Yonago, Yasugi
Sakaiminato, Higashi-Izumo
Brackish 86.2 17.1 0 0.47
6 Kussharo Hokkaidō Kushiro Teshikaga Fresh 79.3 117.5 121 2.25
7 Shinji San'in Shimane Matsue, Izumo, Hikawa Brackish 79.1 6.0 0 0.34
8 Shikotsu Hokkaidō Ishikari Chitose Fresh 78.4 360.1 247 20.9
9 Tōya Hokkaidō Iburi Tōyako, Sōbetsu Fresh 70.7 179.9 84 8.19
10 Hamana Tōkai Shizuoka Hamamatsu, Kosai, Arai Brackish 65.0 13.1 0 0.35
11 Ogawara Tōhoku Aomori Misawa, Tōhoku, Rokkasho Brackish 62.2 24.4 0 0.714
12 Towada Tōhoku Aomori
Akita
Towada, Kosaka Fresh 61.0 326.8 400 4.19
13 Notoro Hokkaidō Abashiri Abashiri Brackish 58.4 23.1 0 0.5
14 Fūren Hokkaidō Nemuro Nemuro, Betsukai Brackish 57.5 13.0 0 0.0564
15 Kitaura Kantō Ibaraki Kashima, Hokota, Namegata, Itako Fresh 35.2 7.0 0 0.18
16 Abashiri Hokkaidō Abashiri Abashiri, Ōzora Brackish 32.3 16.1 0 0.2
17 Akkeshi Hokkaidō Kushiro Akkeshi, Hokkaidō Fresh 32.3 11.0 0
18 Hachirō Tōhoku Akita Katagami, Oga, Gojōme, Ikawa, Ōgata Fresh 27.7 12.0 0
19 Tazawa Tōhoku Akita Senboku Fresh 25.8 423.4 249 7.2
20 Mashū Hokkaidō Kushiro Teshikaga Fresh 19.2 211.4 351
21 Jūsan Tōhoku Aomori Goshogawara, Tsugaru, Nakadomari Brackish 18.1 1.5 0
22 Kutcharo Hokkaidō Sōya Hamatonbetsu Fresh 13.3 3.3 0 0.014
23 Suwa Chūbu Nagano Okaya, Suwa, Shimo-Suwa Fresh 13.3 7.6 759 0.06135
24 Akan Hokkaidō Kushiro Kushiro Fresh 13.0 44.8 420 0.249
25 Chūzenji Kantō Tochigi Nikkō Fresh 11.8 163.0 1269 1.1
26 Inba [ja] Kantō Chiba Yachiyo, Sakura, Narita, Inzai, Shisui, Sakae Fresh 11.55 2.5 2.5 0.0277
27 Ikeda Kyūshū Kagoshima Ibusuki Fresh 10.9 233.0 66 1.38
28 Hibara Tōhoku Fukushima Kitashiobara Fresh 10.7 30.5 822 0.13
29 Ashi Kantō Kanagawa Hakone Fresh 7.03 43.5 723
30 Kuttara Hokkaidō Iburi Shiraoi Fresh 4.68 148 258 0.491

1) For lakes in the Hokkaidō region, Subprefecture is listed