Nagatoro Autumn Foliage — River Gorge Maple Tunnel

**Timing precision:** Autumn foliage timing fluctuates ±1 week annually. Check the Nagatoro Town Tourism website or Japanese foliage forecast sites (kouyou.nihon-kankou.or.jp) starting early November for real-time bloom status updates. The 'peak viewing' window (見頃, migoro) lasts only 10–14 days when 70–90% of trees have changed color. Arriving before peak shows green/yellow trees; arriving after peak means fallen leaves. Weekend crowds during peak are intense (10,000+ daily visitors) — weekday visits strongly recommended. **Best walking route:** Start at Nagatoro Station, walk north along the river toward Iwadatami (1.5km, 20 min), then continue to the Ropeway Station (additional 1km). The riverside path provides continuous maple canopy views. The Iwadatami rock shelf allows descending to river level for low-angle shots looking up at colored trees against limestone cliffs. Continue to the ropeway and ride to Hodosan summit (¥990 round-trip) for aerial views over colored valleys — the ropeway gondola ride through maple forest is spectacular. **Night illumination strategy:** The illumination covers select sections along the riverside walk and near the Iwadatami (free viewing from public paths). The lit trees reflected in the dark river water create mirror images best photographed from the walking path's edge. Tripod recommended for long exposures (2–4 seconds at ISO 400, f/8). The illumination eliminates crowds' interference — most day visitors leave by 17:00. Arrive at dusk (16:30) to capture blue hour transition from daylight to full darkness. **Photography compositions:** The classic shot is from the Iwadatami rock shelf looking upstream — layered limestone in foreground, colored trees in midground, river gorge receding into mountains in background. Polarizing filter helps saturate colors and reduce water glare. Overcast days produce richer, more saturated colors than harsh sunlight. Early morning (7:00–9:00) provides mist rising from the river creating atmospheric layering.