Chausuyama Highlands
Open by month
Open in January. No seasonal closure recorded.
Open in February. No seasonal closure recorded.
Open in March. No seasonal closure recorded.
Open in April. No seasonal closure recorded.
Open in May — at its best. Moss phlox festival (May 9 – Jun 7 in 2026).
Open in June — at its best. Moss phlox festival (May 9 – Jun 7 in 2026).
Open in July. No seasonal closure recorded.
Open in August. No seasonal closure recorded.
Open in September. No seasonal closure recorded.
Open in October. No seasonal closure recorded.
Open in November. No seasonal closure recorded.
Open in December. No seasonal closure recorded.
Checked against the official site on 2026-10-15.
Highlands around Mt. Chausu (1,416 m), Aichi's highest peak, on the Nagano border. Near the top of Mt. Hagitaro, 400,000 moss phlox plants carpet the slope in late spring.
Nearby
- Yotsuya Senmaida Rice Terraces ≈ 50 min by car
- Chiiwa Gorge ≈ 50 min by car
- Iwamura Castle Town ≈ 1 h by car
- Mount Horaiji and Horaiji Temple ≈ 1 h 5 min by car
- Adera Seven Falls ≈ 1 h 10 min by car
Travel times are rough estimates by car.
- Best time
- May, June — Moss phlox festival (May 9 – Jun 7 in 2026)
- Getting there
- About 2 hr by car from Toyokawa IC (Tomei Expwy); by rail, a reservation-only Kyukamura shuttle from Toei Station (JR Iida Line)
Easier with a tour or car - Good to know
- Closed Thursdays (open daily during events); hours vary by season; parking is charged during the moss phlox season
- Time needed
- 2 h
Checked against the official Japanese website on 2026-10-15. Report outdated info