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Zao Okama crater lake

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The Okama is a crater lake with a circumference of 1,000m and a depth of 27m. It is also known as “Goshikinuma” (lake of five colors) for the changes in the colors of the water surface from the intensity of light. Okama is a popular sightseeing spot that is representative of Zao. Visitors can enjoy the sight of alpine plants in summer, and views of red autumn foliage from September to November. When the roads are opened around the end of April, the snow forms walls above 10m high close to the sides of the road leading to the mountain top.

View scenic routes that include this spot


More Information about Zao Okama crater lake

Street address

Kuraishidake Kokuyuchinai, Togatta Onsen, Zao-machi, Katta-gun, Miyagi



  • [From Yamagata Station]
    Take the train to JR Kaminoya-Onsen Station and take a free shuttle bus for 60 min.
    Get off at the katta parking area and take the Zao-Katta ski lift for approx. 8 min to the top.
    Then a 6 min. walk.


  • [From Sendai Station]
    Take the train to JR Shiroishi-Zao Station and take a bus for approx. 1 hour and 35 to 40 minutes to "Zao-Katta Sancho" (2 buses a day).
    Then a 5-min. walk.
    ※From late Apr. to early Nov., the bus only runs on weekends and holidays

Opening Hours

From sunrise to sunset


Early Nov. to late Apr.


Best season

May, Jun., Jul., Aug., Sep., Oct.


Since the area is closed for the winter from early Nov. to late Apr., the crater can't be seen.

Spots around

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