| Name |
Prefecture |
Municipality |
Altitude |
Area |
Designated |
Image |
National park status |
Coords. |
Ref. |
|---|
| Kutcharo-ko (クッチャロ湖) | Hokkaido | Hamatonbetsu | 1–2 m | 1,607 ha | 1989 |  | N/A | 45°09′N 142°20′E | |
| Sarobetsu-genya (サロベツ原野) | Hokkaido | Horonobe, Toyotomi | 3–7 m | 2,560 ha | 2005 |  | Rishiri-Rebun-Sarobetsu National Park | 45°03′N 141°42′E | |
| Tofutsu-ko (濤沸湖) | Hokkaido | Abashiri, Koshimizu | 1 m | 900 ha | 2005 |  | Abashiri Quasi-National Park | 43°56′N 144°24′E | |
| Uryunuma-shitsugen (雨竜沼湿原) | Hokkaido | Uryū | 850–900 m | 624 ha | 2005 |  | Shokanbetsu-Teuri-Yagishiri Quasi-National Park | 43°41′N 141°36′E | |
| Notsuke-hanto and Notsuke-wan (野付半島・野付湾) | Hokkaido | Betsukai, Shibetsu | 0–10 m | 6,053 ha | 2005 |  | N/A | 43°34′N 145°16′E | |
| Akan-ko (阿寒湖) | Hokkaido | Kushiro | 420 m | 1,318 ha | 2005 |  | Akan National Park | 43°27′N 144°06′E | |
| Miyajima-numa (宮島沼) | Hokkaido | Bibai | 13 m | 41 ha | 2002 |  | N/A | 43°20′N 141°43′E | |
| Furen-ko & Shunkuni-tai (風蓮湖 春国岱) | Hokkaido | Betsukai, Nemuro | 1 m | 6,139 ha | 2005 |  | N/A | 43°17′N 145°21′E | |
| Kushiro-shitsugen (釧路湿原) | Hokkaido | Kushiro City, Kushiro Town, Shibecha, Tsurui | 3–10 m | 7,863 ha | 2005 |  | Kushiro-shitsugen National Park | 43°09′N 144°26′E | |
| Kiritappu-shitsugen (霧多布湿原) | Hokkaido | Hamanaka | 0–3 m | 2,504 ha | 1993 |  | N/A | 43°05′N 145°05′E | |
| Akkeshi-ko & Bekambeushi-shitsugen (厚岸湖 別寒辺牛湿原) | Hokkaido | Akkeshi | 0–20 m | 5,277 ha | 1993 |  | N/A | 43°03′N 144°54′E | |
| Utonai-ko (ウトナイ湖) | Hokkaido | Tomakomai | 1–5 m | 510 ha | 1991 |  | N/A | 42°42′N 141°43′E | |
| Onuma (大沼) | Hokkaido | Nanae | 1–5 m | 510 ha | 2012 |  | Ōnuma Quasi-National Park | 41°59′N 140°40′E | |
| Hotokenuma (仏沼) | Aomori | Misawa | 0–10 m | 222 ha | 2005 |  | N/A | 40°49′N 141°22′E | |
| Izu-numa and Uchi-numa (伊豆沼・内沼) | Miyagi | Kurihara, Tome | 7 m | 559 ha | 1985 |  | N/A | 38°43′N 141°06′E | |
| Kabukuri-numa and the surrounding rice paddies (蕪栗沼・周辺水田) | Miyagi | Kurihara, Tome, Ōsaki | 5.7 m | 423 ha | 2005 |  | N/A | 38°38′N 141°06′E | |
| Kejo-numa (化女沼) | Miyagi | Ōsaki | 25.9 m | 34 ha | 2008 |  | N/A | 38°37′N 141°57′E | |
| Shizugawa-wan (志津川湾) | Miyagi | Minamisanriku | 0 m | 5,793 ha | 2018 |  | Sanriku Fukkō National Park | 38°40′N 141°30′E | |
| Oyama Kami-ike and Shimo-ike (大山上池・下池) | Yamagata | Tsuruoka | 12 m | 39 ha | 2008 | | N/A | 38°44′N 139°45′E | |
| Lake Inawashiro (猪苗代湖) | Fukushima | Aizuwakamatsu, Inawashiro, Kōriyama | 514 m | 10,960 ha | 2025 |  | Bandai-Asahi National Park | 37°28′N 140°05′E | |
| Oze (尾瀬) | Fukushima, Gunma, Niigata | Hinoemata, Katashina, Uonuma | 1,400–2,356 m | 8,711 ha | 2005 |  | Oze National Park | 36°53′N 139°11′E | |
| Hinuma (涸沼) | Ibaraki | Hokota, Ōarai | 0 m | 935 ha | 2015 |  | N/A | 36°16′N 140°30′E | |
| Watarase-yusuichi (渡良瀬遊水地) | Ibaraki, Tochigi, Gunma, Saitama | Koga, Tochigi, Oyama, Nogi, Itakura, Kazo | 2–23 m | 2,861 ha | 2012 |  | N/A | 36°14′N 139°41′E | |
| Oku-Nikko-shitsugen (奥日光の湿原) | Tochigi | Nikkō | 1,400–1,475 m | 260 ha | 2005 |  | Nikkō National Park | 36°47′N 139°26′E | |
| Yoshigadaira Wetlands (芳ヶ平湿地群) | Gunma | Kusatsu, Nakanojō | 1,200–2,160 m | 887 ha | 2015 |  | Jōshin'etsu-kōgen National Park | 36°39′N 138°33′E | |
| Yatsu-higata (谷津干潟) | Chiba | Narashino | 0 m | 40 ha | 1993 |  | N/A | 35°40′N 140°00′E | |
| Kasai Marine Park (葛西臨海公園) | Tokyo | Edogawa | -4–4 m | 366 ha | 2018 |  | N/A | 35°38′N 139°51′E | |
| Hyo-ko (瓢湖) | Niigata | Agano | 8.6 m | 24 ha | 2008 |  | N/A | 37°50′N 139°14′E | |
| Sakata (佐潟) | Niigata | Niigata | 5 m | 76 ha | 1996 |  | Sado-Yahiko-Yoneyama Quasi-National Park | 37°49′N 138°53′E | |
| Tateyama Midagahara and Dainichidaira (立山弥陀ヶ原・大日平) | Toyama | Tateyama | 1,040–2,120 m | 574 ha | 2012 |  | Chūbu-Sangaku National Park | 36°34′N 137°32′E | |
| Katano-kamoike (片野鴨池) | Ishikawa | Kaga | 2.5–8 m | 10 ha | 1993 |  | Echizen-Kaga Kaigan Quasi-National Park | 36°19′N 136°17′E | |
| Nakaikemi-shichi (中池見湿地) | Fukui | Tsuruga | 45 m | 87 ha | 2012 |  | Echizen-Kaga Kaigan Quasi-National Park | 35°39′N 136°05′E | |
| Mikata-goko (三方五湖) | Fukui | Wakasa, Mihama | 0 m | 1,110 ha | 2005 |  | Wakasawan Quasi-National Park | 35°33′N 135°52′E | |
| Tokai Hilly Land Spring-fed Mires (東海丘陵湧水湿地群) | Aichi | Toyota | 190–244 m | 22.5 ha | 2012 | | Aichi Kōgen Quasi-National Park | 35°08′N 137°21′E | |
| Fujimae-higata (藤前干潟) | Aichi | Nagoya, Tobishima | -4-1 m | 323 ha | 2002 |  | N/A | 35°04′N 136°50′E | |
| Biwa-ko (琵琶湖) | Shiga | 10 cities | 86 m | 65,984 ha | 1993 |  | Biwako Quasi-National Park | 35°15′N 136°05′E | |
| Lower Maruyama River and the surrounding rice paddies (円山川下流域・周辺水田) | Hyōgo | Toyooka | 0–20 m | 1,094 ha | 2012 |  | Sanin Kaigan National Park | 35°59′N 134°59′E | |
| Kushimoto Coral Communities (串本沿岸海域) | Wakayama | Kushimoto | -20–0 m | 574 ha | 2005 |  | Yoshino-Kumano National Park | 33°28′N 135°44′E | |
| Nakaumi (中海) | Tottori, Shimane | Yonago, Sakaiminato, Matsue, Yasugi | 0 m | 8,043 ha | 2005 |  | N/A | 35°32′N 133°09′E | |
| Shinji-ko (宍道湖) | Shimane | Matsue, Izumo | 0.3 m | 7,652 ha | 2005 |  | N/A | 35°26′N 132°57′E | |
| Miyajima (宮島) | Hiroshima | Hatsukaichi | 0–80 m | 142 ha | 2012 |  | Setonaikai National Park | 34°14′N 132°17′E | |
| Akiyoshidai Groundwater System (秋吉台地下水系) | Yamaguchi | Mine | 80–426 m | 563 ha | 2005 |  | Akiyoshidai Quasi-National Park | 34°15′N 131°18′E | |
| Higashiyoka-higata (東よか干潟) | Saga | Saga | -3–1 m | 218 ha | 2015 |  | N/A | 33°10′N 103°15′E | |
| Hizen Kashima-higata (肥前鹿島干潟) | Saga | Kashima | -3-1 m | 57 ha | 2015 |  | N/A | 33°6′N 130°7′E | |
| Arao-higata (荒尾干潟) | Kumamoto | Kumamoto | 0 m | 754 ha | 2012 |  | N/A | 32°58′N 130°25′E | |
| Kuju Bogatsuru and Tadewara-shitsugen (くじゅう坊ガツル・タデ原湿原) | Ōita | Kokonoe, Taketa | 1,000–1,270 m | 91 ha | 2005 |  | Aso Kujū National Park | 33°06′N 131°15′E | |
| Imuta-ike (藺牟田池) | Kagoshima | Satsumasendai | 296 m | 60 ha | 2005 |  | N/A | 31°49′N 130°28′E | |
| Izumi Wintering Habitat of Cranes (出水ツルの越冬地) | Kagoshima | Izumi | | 478 ha | 2021 |  | N/A | 32°06′N 130°16′E | |
| Yakushima Nagata-hama (屋久島永田浜) | Kagoshima | Yakushima | <10 m | 10 ha | 2005 |  | Kirishima-Yaku National Park | 30°24′N 130°25′E | |
| Streams in Kumejima (久米島の渓流・湿地) | Okinawa | Kumejima | 120–280 m | 255 ha | 2009 | | N/A | 26°22′N 126°46′E | |
| Kerama-shoto Coral Reef (慶良間諸島海域) | Okinawa | Zamami, Tokashiki | 0 m | 353 ha | 2005 |  | Kerama Shotō National Park | 26°12′N 127°21′E | |
| Manko (漫湖) | Okinawa | Tomigusuku, Naha | -0.5 m | 58 ha | 1999 |  | N/A | 26°11′N 127°41′E | |
| Yonaha-wan (与那覇湾) | Okinawa | Miyakojima | 0 m | 704 ha | 2012 |  | N/A | 24°45′N 125°16′E | |
| Nagura-Ampuru (名蔵アンパル) | Okinawa | Ishigaki | 0 m | 157 ha | 2005 |  | N/A | 24°23′N 124°08′E | |
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