663highland / CC BY-SA 4.0

A roughly 700-meter riverside gorge on the Natori River right at the edge of Akiu Onsen, with sculpted rock walls, small cascades and clear emerald pools. A free, easy walking trail leads past the Nozokibashi bridge and a natural heart-shaped hollow in the rock.

Best season

Autumn

Crowd level

Moderate

Opening hours

Open 24 hours; free

Usual hours — confirm with the official site for holidays + seasonal closures.

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