TSURUGA ADVENTURE SIR
There is one staff member who can provide English interpretation, and the other staff members can speak basic English. They welcome tourists from overseas.
“Where every trail leads to wonder.” From volcanic peaks to serene lakesides, Eastern Hokkaido’s hikes connect you with breathtaking nature.

Rising to 1,661 meters, Mt. Rausu is the highest peak in the Shiretoko mountain range and one of Japan’s 100 Famous Mountains. From the summit, hikers are rewarded with panoramic views of the entire range and even Kunashiri Island in the distance.

Lake Rausu is the largest lake in Shiretoko National Park, nestled in a quiet highland zone surrounded by untouched nature. The round-trip hike from the trailhead is about 6 km and takes roughly 3 hours.

Mt. Oakan (1,370 m) is an active stratovolcano rising on the eastern shore of Lake Akan. The mountain is known for its long and steady ascent through a variety of natural environments, making it a rewarding climb for intermediate hikers.

Mt. Meakan (1,499 m) is one of Japan’s 100 Famous Mountains and a popular destination for hikers seeking dramatic volcanic landscapes. Three main routes are available, each ranging from 3 to 6 km one way and taking between 2.5 to 3.5 hours to the summit, making them suitable for beginners to intermediate-level hikers.

The Mashu-dake trail starts next to the First Observatory of Lake Mashu and offers a round-trip route of about 14.4 km, taking approximately 5 hours. This hike follows the southern rim of the caldera, winding through forests and open meadows while gradually gaining elevation. Along the way, you’ll catch glimpses of the deep blue waters of Lake Mashu through the trees, as well as sweeping views of the Kushiro wetlands, Mt. Nishibetsu, and the Akan Mountains. At the summit, you’ll stand above the dramatic crater of Mt. Mashu, surrounded by panoramic scenery unique to Hokkaido.

Mt. Mokoto (1,000m) lies on the eastern shore of Lake Kussharo and is a popular hiking destination for beginners and intermediate hikers alike. From the top, you’ll be rewarded with breathtaking views of the lake’s vast caldera and, on a clear day, the distant Mt. Oakan, the Daisetsuzan Mountains, the Shiretoko Range, and the Sea of Okhotsk.

The Wakoto Peninsula extends into the southern side of Lake Kussharo and features a scenic 2.5 km loop trail, easily walkable in about one hour. Due to ongoing geothermal activity, parts of the ground remain warm year-round, and you might even hear the chirp of insects that usually appear in early summer—even during winter.
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