• July 23rd, 2017
  • Nature
  • TouristSpots
  • SouthernArea

[Junsainuma Swamp in Nanae] Water Shield Grows in Freshwater Swamp

Junsainuma Swamp

Junsainuma Swamp (蓴菜沼) is a freshwater swamp in Nanae located in the northern direction of Hakodate city, and the 3rd largest lakes in Onuma Quasi-National Park. The perimeter of the swamp is about 7.3 km, and the maximum water depth is 4.6 m. As its name suggests, the swamp was named after harvesting the water shield. The water shield means "The Junsai" in Japanese. It is located in the western part of National Route 5, walking paths and spring water called Gozensui spring (御膳水) as sightseeing spots are in Junsainuma Swamp Area. But it seems that the spring water is not drinkable. Smelt pond fishing can be enjoyed in a winter. A parking lot, a public restroom and buckwheat noodle restaurant "Gozensui" are built at the site. The buckwheat noodles are popular, too. Admission free. The parking lot is free of charge.

Junsainuma Swamp
Junsainuma Swamp in Nanae
Public Restroom
Junsainuma Swamp in Nanae
Buckwheat Noodle Restaurant "Gozensui"
Junsainuma Swamp in Nanae

Movie of Smelt Pond Fishing

Onuma Quasi-National Park

Onuma Quasi-National Park (大沼国定公園) is a quasi-national park at the foot of Mt. Komagatake (駒ヶ岳) in the southern part of Hokkaido, and is between Nanae town, Shikabe town and Mori town. Its area is 9,083 ha. The park has been designated as the quasi-national park since 1958, and 2 million tourists come. It consists of the Mt. Komagatake of 1,131 m elevation, an active volcano, Lake Ounma (大沼湖), Lake Konuma (小沼湖), Junsai Swamp (蓴菜沼), and beautiful scneries are highlights. The Onuma Quasi-National Park has been chosen as one of The 3 New Views of Japan (新日本三景) together with Miho-no-Matsubara (三保の松原) in Shizuoka prefecture and Yabakei (耶馬渓) in Oita prefecture since 1915. It is also famous for fall foliage, and has been chosen as one of The 100 Best Fall Foliage Spots in Japan (日本紅葉の名所100選). When the Mt. Komagatake erupted from 50,000 to 30,000 years ago, a river was dammed by flowing mud flood, and those lakes were created. Wetlands have been registered under the Ramsar Convention since 2012, and wild waterfowls such as Goose and Duck rest their wings on the surface of the lake. Read More

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Onuma Quasi-National Park
Onuma Quasi-National Park

Look of Junsainuma Swamp

Wooden paths and a small gazebo were supposed to be built along the lakeshore, and the Gozensui spring were supposed to gush out at the gazebo. When I visited here, the wooden paths were broken, and entering the wooden paths was prohibited. So I suppose that The Junsainuma may be seen only from the lakeshore near the public restroom.

Wooden Path
Junsainuma Swamp in Nanae
Junsainuma Swamp
Junsainuma Swamp in Nanae
Admission fee Free of charge
Parking lot Free parking is provided
Business hour Open 24 hours
Regular closing day Open all year round
Telephone number +81-138-67-2170
Home page Home page is here
Mapcode 86 811 327*88

    List of Activities

    Refer to following websites for the activity companies around the Lake Onuma. You can get information regarding online reviews and photos.

    Rental Bicycle

    Rental Bicycle

    Onuma Quasi-National Park

    Friendly Bear(フレンドリーベア)
    ASOVIEW
    Jalan
    Porotokan(ポロト館)
    ASOVIEW
    Jalan

    Canoe Tour

    Movie of Canoe Tour


    Exander Onuma Canoe House(イクサンダー大沼カヌーハウス)
    Jalan
    Neverland Tour Office(ネバーランド・ツアーオフィス)
    HP
    Jalan

    Sightseeing Boat Cruise

    Movie of Sightseeing Boat Cruise


    Hokkaido Sightseeing Concierge Center(北海道観光コンシェルジュセンター)
    Jalan
    Onuma Godo Yusen(大沼合同遊船)
    ASOVIEW
    Jalan

    Segway Tour

    Movie of Segway Tour


    Segway Japan(セグウェイジャパン)

    Horse Trekking

    Sonnys Stable(サニーズステーブル)
    Jalan
    Onuma Nagareyama Ranch(大沼流山牧場)
    ASOVIEW

    Leisure Land

    Greenpia Onuma(グリーンピア大沼)
    ASOVIEW

    Guided Nature Tour

    Onuma International Exchange Plaza(大沼国際交流プラザ)
    ASOVIEW
    Jalan

    Gondola

    Movie of Gondola


    Hakodate Nanae Gondola(函館七飯ゴンドラ)
    Jalan

    Zip Line

    Movie of Zip Line


    Hakodate Onuma Prince Hotel(函館大沼プリンスホテル)
    ASOVIEW

    Pond Smelt Fishing

    Movie of Pond Smelt Fishing


    Onuma Godo Yusen(大沼合同遊船)
    ASOVIEW
    Jalan
    Tai Park(太公園)
    ASOVIEW
    Jalan
    Junsai Swamp(蓴菜沼)
    ASOVIEW
    Jalan
    Higashi-onuma Camping Site(東大沼キャンプ場)
    ASOVIEW
    Jalan

    Snow Activities

    Ice Park Snowman(アイスパークスノーマン)
    ASOVIEW
    Jalan
    Hokkaido Tourism Concierge Center(北海道観光コンシェルジュセンター)
    Jalan

    Snowshoe Tour

    Exander Onuma Canoe House(イクサンダー大沼カヌーハウス)
    Jalan
    Neverland Tour Office(ネバーランド・ツアーオフィス)
    HP
    Jalan

    List of Accommodations

    Refer to following websites for the accommodations in the Onuma Park. You can get information regarding online reviews and photos.

    Onuma Onsen

      Tome-no-Yu(留の湯)
      Booking
      Hakodate-Onuma Prince Hotel(函館大沼 プリンスホテル)

      Nanae

        Onuma Tsuruga Auberge Epuy(大沼鶴雅オーベルジュ エプイ)
        Pension Heine(ペンションハイネ)
        Booking
        Rakuten
        Station Hotel Asahiya(ステーションホテル 旭屋)
        Booking
        Minshuku Yukkuri Onuma(民宿ゆっくり大沼)
        Booking
        Granvillage Onuma(グランヴィレッヂ 大沼)
        Onuma Nagareyama Ranch Paard Musee(大沼流山牧場 Paard Musee)
        Booking
        Jalan
        Pension Kaza(ペンション 風 KAZA)
        Booking
        Niyama Onsen Hotel(ニヤマ温泉ホテル)
        Booking
        Ryoso Chairoi-Tori(旅荘 茶色い鳥)
        Booking
        Jalan
        Rakuten
        Minshuku Kamoiso(民宿 鴨井荘)
        Booking
        Jalan
        Rakuten
        Minshuku Fujiya(民宿 藤屋) Only tel: +81-138-65-8164
        Pension Nori Hana(ペンション のり☆はな)
        Booking
        Jalan
        Rakuten
        Business Minshuku Hana-no-Yado(ビジネス民宿 華の宿)
        Booking
        Jalan
        Rakuten
        Beyond Village(ビヨンドビレッジ)
        Booking
        Jalan
        Rakuten
        Higashi-onuma Campsite(東大沼キャンプ場)
        Booking
        Jalan
        Rakuten

        Mori

          Greenpia Onuma(グリーンピア大沼)
          Pension Mori-no-Naka-no-Chisana-Ie(ペンション 森の中の小さな家)
          Booking
          Jalan
          Chappurin-kan(ちゃっぷ林館)
          Booking
          Jalan
          Rakuten
          Hokkaido Youth Nature Hall Napal Forest(北海道青少年自然の家(ネイパル森))
          Booking
          Jalan
          Rakuten
          Business Hotel Fresco Mori(ビジネスホテル フレスコ森)
          Booking
          Jalan
          Rakuten
          Take-no-Ie Ryokan(竹の家旅館)
          Booking
          Jalan
          Rakuten
          Midori Ryokan(みどり旅館)
          Booking
          Jalan
          Rakuten
          Minshuku Shiosai(民宿潮騒)
          Booking
          Jalan
          Rakuten
          Ryokan Tsubaki(旅館椿)
          Booking
          Jalan
          Rakuten
          Kikushui Ryokan(菊水旅館)
          Booking
          Jalan
          Rakuten
          Midori and Rock Campsite(みどりとロックの広場)
          Booking
          Jalan
          Rakuten
          Booking.com
          Booking.com

          A page of Onuma Quasi-National Park is here

          Onuma Quasi-National Park

          By the way, Club Tourism (クラブツーリズム), a Japanese tour travel agency, provides various types of tours such as day trip tours or ordinary tours. In the case of bus tours, tourists do not drive their cars themselves, so they can savor alcohol. Choosen tourist attractions are national parks such as Rishiri and Rebun, Shiretoko, and popular tourist places such as Furano and Biei, and some activities such as hiking and fruit picking are also enjoyed depending on seasons. If you are interested in tour trips, you should visit the club tourism's website for details.

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