Located The Akan-Mashu National Park is one of the most fascinating in Japan. This vast protected territory reveals a striking volcanic nature, composed of craters of altitude, primary forests and lakes of spectacular beauty. It attracts hikers, amateurs of Donsen, curious of Ainu culture and travellers in search of virgin landscapes.
A natural setting shaped by volcanoes
Since 2018, Akan-Mashu National Park has been home to several old protected areas around three iconic lakes: Akan, Kussharo and Mashu. These water-filled caldeiras are the remains of powerful volcanic eruptions and today offer some of the most striking panoramas of the archipelago.
Lake Akan, known for its spherical algae calledmarimo, is distinguished by its cultural and ecological dimension. It is surrounded by volcanic mountains accessible to the walk and bordered by thermal installations.
Lake Kussharo, a huge stretch of water occupying a caldeira of 80 km2, offers many water and swimming activities, summer and winter. A volcanic peninsula, Wakoto, moves into the lake and houses a preserved ecosystem.
Mashu Lake is distinguished by the exceptional transparency of its waters. Overlooking by sights accessible by car or on foot, it often remains veiled by mist, which reinforces its mysterious aura.
Unmissable hikes in Akan-Mashu Park
The park is a paradise for hikers, with a wide variety of trails adapted to all levels. Some tours take you to the top of active volcanoes, others along quiet shores or through ancient forests.
Among the most emblematic routes:
- Mount Me-akan Loop: a demanding hike of nearly 10 km around an active volcano, offering stunning views of Lake Onneto.
- Wakoto Peninsula: an easy 3 km trail around a volcanic peninsula, ideal for watching wildlife and enjoying panoramic views.
- Tsutsujigahara Nature Walk: a moderate route through a forested area to Mount Iozan, known for its sulphurous fumoils.
- Lake Onneto Loop: accessible walk around a lake with changing reflections, famous for its shades varying according to time and season.
- Mount Mokoto: a moderate ascent with panoramic views of the park, including Lake Kussharo and the volcano chain.
Each trail is marked, but it is important to follow the safety instructions, especially in the bear zone. It is strongly advised to bring a bell to signal its presence.
Akan hikes in pdf
Volcanoes and thermal baths
The park’s intense geothermal activity has produced many natural hot springs. Several thermal establishments (onsen) shove the shores of the lakes or shove to sulphurous mountains.
Kawayu Onsen is the best known station in the region. Located in the immediate vicinity of Mount Iozan (or Atosa-nupuri in the Ainu language), it allows you to relax in hot baths while observing the fumoils spring from the ground.
Around Lake Akan, many ryokan and hotels offer outdoor baths with views of the surrounding nature. It is also possible to enjoy free foot baths in the city.
The park’s views are accessible all year round and remain particularly pleasant in winter, when the snow covers the surrounding forests.
Outdoor activities summer and winter
Akan-Mashu Park is not limited to hiking or contemplation. It offers a range of activities adapted to the seasons:
- Summer: canoeing, lake cruises, cycling, tent camping, wildlife observation.
- WinterHiking on snow, cycling on ice, hot outdoor baths, ice festivals.
Kussharo and Akan lakes are particularly appreciated for their clear areas, allowing unique experiences in contact with the elements. Photographic enthusiasts also find an exceptional ground of expression.
Meeting the Ainu culture
The park retains a strong imprint of Ainu culture, the indigenous people of Hokkaido. Mount Iozan, for example, is considered sacred by this culture, which saw volcanic activity as the manifestation of powerful spirits.
On Lake Akan, an ancient villagekotanhas been reconstituted and offers visitors demonstrations of traditional crafts, songs and dances. This site provides a better understanding of the ancient history of the island and the close ties between the Ainu and their environment.
Access to Akan-Mashu Park
The park is located between the cities of Kushiro to the south and Abashiri to the north. It is served by the railway line JR Senmo, which connects Kushiro to Abashiri via Kawayu Onsen. This line makes it easy to reach the main entry points of the park.
To explore more remote areas, the car remains the most convenient way. Panoramic roads cross the region and connect the various lakes, viewpoints and trails.
Kushiro Airport is the nearest airport for travellers arriving from Tokyo or other major cities in Japan.
Practical tips for visiting the park
- Ideal seasonThe period from June to October is the most favorable for hikes. Autumn, in particular, offers spectacular landscapes.
- Preparation– equip yourself with good shoes, water, snacks and weather protection. Check the weather before departure.
- Security: the presence of bears in certain areas requires vigilance and observance of instructions (do not leave food, wear a bell).
- AccommodationBook early, especially in summer or during Japanese holidays. Inns and hotels near the lakes are popular.
Exploring Akan-Mashu National Park is immerse itself in a wild Japan, shaped by the land forces and inhabited by the memory of an ancient people. This protected territory offers a rare natural richness, conducive to wonder, physical effort and relaxation. A place to include without hesitation in any route to Hokkaido.
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