🛶 River

4 discoveries

Kamuikotan Gorge

A schist gorge where the Ishikari River carved house-sized potholes over 100 million years — and where Ainu legend says a god turned a demon to stone, marked today by an old rail line and a shrine.

📍 Hokkaido, Asahikawa 🆓 Free ⏱ ≈ 1 hour

🍁 Autumn

🌲 Nature

Tham Lod Cave

A vast river cave you float through on a bamboo raft by lantern light, past stalactite chambers, ancient teak coffins on high ledges, and a dusk sky that fills with hundreds of thousands of swifts pouring in to roost.

📍 Mae Hong Son, Pang Mapha 💴 Paid ⏱ Half day

🌲 Nature

Chatsubomi Moss Park

A neon-green stream of rare acid-loving moss fed by a hot mineral spring called Anajigoku — 'the hell pit' — inside a former iron mine deep in the Gunma mountains.

📍 Gunma, Nakanojo 💴 Paid ⏱ ≈ 1 hour

🌸 Spring 🌻 Summer 🍁 Autumn

✨ Experience

Mogami River Boat Ride

Drift down the broad, green Mogami — one of Japan's three great rapid rivers — in a flat-bottomed wooden boat while the boatman poles you past gorge walls and waterfalls and sings the old river song by heart.

📍 Yamagata, Tozawa 💴 Paid ⏱ Half day

🌻 Summer 🍁 Autumn

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