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Introducing scenic spots
Jozankei Dam Downstream Park

The downstream side of Jozankei Dam is a recreational park where you can enjoy the four seasons, such as cherry blossoms in spring and autumn leaves in fall. The park is also home to the Jozankei Dam Museum.

Jozankei Dam
Jozankei Dam is a multipurpose dam used for flood control, securing water for domestic use, and hydroelectric power generation. Together with Hoheikyo Dam, Jozankei Dam supports the lives of Sapporo’s citizens. Completed in 1989, it is a concrete gravity dam 117.5m high – the second highest dam in Hokkaido – and 410m long, taking 11 years to build. The amount of water stored in the dam is equivalent to filling Sapporo Dome 52 times.
For more information on Jozankei Dam
https://www.hkd.mlit.go.jp/sp/toyohira_damu/kluhh4000000b7ql.html

Perfect for picnics
Besides the dam museum and outdoor exhibition plaza are plazas spread out across the park offering their own special view: up at the dam from below, the middle of the dam with a view of the outlet up close, and high enough where you can see the dam in its entirety. Each of the four plazas are connected by a boardwalk, with toilets and water fountains. You can also climb the steps on the boardwalk up to the Dam Crest Observatory to enjoy a panoramic view of the park. There is also a trailhead leading to Mt. Kotengu here.

A rich natural environment
The area around Jozankei Dam is rich in lush greenery and has been designated a national park – Shikotsu-Toya National Park. The surrounding plants, located around 400m above sea level, are distributed across low to alpine zones. Shikotsu-Toya National Park is characterized by a mixed forest consisting of coniferous and broad-leaved trees, including Ezomatsu (Picea jezoensis), Todomatsu (Abies sachalinensis), Harunire (Ulmus davidiana var. japonica), and Katsura (Cercidiphyllum japonicum) trees. The area is inhabited by small animals such as Ezo squirrels, chipmunks, Ezo flying squirrels, and wildlife such as Northern red fox, Ezo raccoon dog, Ezo shika deer, brown bears, and insects such as the Jozan chequered blue. The area around the park offers a rich variety of flowers in each of the four seasons. Flowers such as Ezoengosaku (Corydalis ambigua) are in full bloom in spring. In June, the flowers of the primrose family are popular among plant enthusiasts, such as Okatoranoo (Lysimachia clethroides), Kusaredama (Lysimachia punctata), Konasubi (Lysimachia japonica), as well as Ezokugaiso (Veronicastrum japonicum).

Learn about dams and the nature of Jozankei
On the first floor of Jozankei Dam Museum is the “Dam Construction Zone” with a model showing the construction of the dam, the “Jozankei Nature Zone” with specimens of wildlife and insects that inhabit Jozankei, and the “Time Tunnel Zone” on the second floor with panels explaining the functions of the dam.

Information

LOCATION
Jozankei Onsen Minami-ku Sapporo
BUSINESS DAYS
PERIOD
4/29~11/3
営業時間
9:00~17:00

Category

Area
Jozankei
Category
sightseeing, nature, photo spot
Facilities
stroll, free, parking
Amenities
park, naturetrail, scenery
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