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Akan National Park: Mystical Lakes with Marimo Balls and Ainu Culture

Photo by Nopparuj Lamaikul on Unsplash

Sightseeing🗾 All seasons

Akan National Park: Mystical Lakes with Marimo Balls and Ainu Culture

🐻 Hokkaido|May 11, 2026

Akan National Park

In eastern Hokkaido, Akan National Park is known for Lake Akan — home to special natural monument marimo algae balls — plus the mystical caldera lakes of Mashu and Kussharo, and the living Ainu culture of the Ainu Kotan village.

Highlights

- Lake Akan: Home to marimo balls growing up to 30cm in diameter - Ainu Kotan: Lakeside Ainu village with woodcraft and traditional dance - Lake Mashu: Ultra-clear "Misty Mashu" caldera lake of extraordinary beauty - Lake Kussharo: Japan's largest caldera lake, visited by swans in winter

Experiences

- Boat tours to observe marimo - Ainu dance performance (Yukara) - Hot spring bathing at lakeside onsen

Getting There

- From Memanbetsu Airport by car: about 1.5 hours to Akan Kohan Onsen - From Kushiro Station by bus: about 2 hours

Tips

Lake Akan is also a hot spring resort — staying lakeside is highly recommended. Ainu woodcraft makes excellent souvenirs.

📍 Location & Access

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