Oze National Park (Fukushima side, Ozenuma)
Open by month
Closed in January.
Closed in February.
Closed in March.
Closed in April.
Partly closed in May: some days or parts are closed — see the official site.
Open in June. No seasonal closure recorded.
Open in July — at its best. Day lilies in the Oe Wetland after the rainy season (July); autumn grasses from September.
Open in August. No seasonal closure recorded.
Open in September. No seasonal closure recorded.
Partly closed in October: some days or parts are closed — see the official site.
Closed in November.
Closed in December.
Checked against the official site on 2026-10-15.
Lake Ozenuma, about 9 km around beneath Mt. Hiuchigatake, and the Oe Wetland, called the 'flower wetland' for its day lilies. From Numayama Pass it is about an hour's walk on boardwalks.
Oze National Park
Nearby
- Oze National Park (Gunma side) ≈ 35 min by car
- Okunikko Yumoto Onsen ≈ 45 min by car
- Yudaki Falls ≈ 45 min by car
- Senjogahara Marshland ≈ 50 min by car
- Yunishikawa Onsen & Heike no Sato ≈ 55 min by car
Travel times are rough estimates by car.
- Best time
- July — Day lilies in the Oe Wetland after the rainy season (July); autumn grasses from September
- Getting there
- About 2 h 20 min by bus from Aizu-Tajima Station via Miike to Numayama Pass, then about 1 hour on foot to the lake
Few buses — check times or join a tour - Good to know
- Buses to Numayama Pass run only from late May to late October (to Oct 25 in 2026) and may stop after snowfall
- Time needed
- 3 h
Checked against the official Japanese website on 2026-10-15. Report outdated info