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Okama 1

Okama

Okama is a stunning crater lake located in the Zao Mountain Range on the border of Miyagi and Yamagata Prefectures. Known as the 'Five Color Pond,' its emerald green waters change hue depending on the sunlight and weather. It is a premier destination for nature lovers and hikers seeking breathtaking volcanic landscapes in Tohoku.

  • Highlights

    Quasi-natl. park、Emerald lake

  • Suggested Duration

    1–2 hours

  • Location

    Miyagi・Zao・Kawasaki

  • Getting There

    Katta Sancho: 5-min walk

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Okama travel FAQs and useful info

Where is Okama located?

Okama is a crater lake situated in the Zao Mountain Range, spanning the border between Miyagi and Yamagata Prefectures in northern Japan.

What is the best time to visit Okama?

The best time to visit is from late May to October when the roads are open and the weather is clear enough to see the lake's vibrant colors.

How do I get to Okama?

You can reach it by car via the Zao Echo Line and Zao High Line, or take a seasonal bus from JR Yamagata Station or Kaminoyama Onsen Station.

Is there an entrance fee for Okama?

There is no entrance fee to view the lake, but there is a toll for vehicles using the Zao High Line road that leads to the observation deck.

Can I visit Okama in the winter?

No, the roads leading to Okama (Zao Echo Line) are closed from early November to late April due to heavy snowfall.

Why is Okama called the 'Five Color Pond'?

It is nicknamed 'Goshiki-numa' because the water's emerald green color changes into various shades depending on the angle of sunlight and weather conditions.

How much time should I spend at Okama?

Most visitors spend about 1 to 2 hours enjoying the view from the observation deck and walking along the nearby trails.

What should I wear when visiting?

Even in summer, it can be windy and chilly at the summit. It is recommended to wear layers and sturdy walking shoes.

Are there restaurants or facilities nearby?

Yes, the Zao Sancho Rest House near the parking lot offers a restaurant, souvenir shop, and public restrooms.

What are some nearby attractions?

Nearby highlights include Zao Onsen, the Zao Ropeway, and various hiking trails throughout the Zao Mountain Range.