Kumamoto · Kikuchi
32.9833°N, 130.7833°E
Kikuchi Valley is a 4km walking trail following the Kikuchi River through a gorge of broadleaf forest, designated as one of Japan's 'Forest Therapy Bases' by the Forestry Agency. The trail passes waterfalls, clear river pools, and sections where the canopy creates 90% shade cover — producing measured health benefits (reduced cortisol, lowered blood pressure) that define forest bathing as medical practice rather than tourism.
The valley's negative ion concentration (air particles produced by moving water and photosynthesis) is among the highest measured in Kyushu.
Essential Information
Opening Hours
Trail 24/7. Parking and facilities from 8:00 AM.
Closed: Open year-round. Trail may close after heavy rain for safety.
Entrance Fee
Trail free. Guided forest therapy walk ¥3,000 (3 hours, advance booking). Parking free.
Best Season
Late November for autumn maple color; July–September for river pool swimming; spring (April–May) for fresh green forest
Visit Duration
2 hours for one-way trail walk; 4 hours return with swimming stops; 3 hours for guided therapy walk
Getting There
Access Information
Insider Guide
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