Lake Okutadami (Sightseeing Boat)
Open by month
Closed in January. New Year (Dec 29 – Jan 3): closed.
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. No seasonal closure recorded.
Open in August. No seasonal closure recorded.
Open in September. No seasonal closure recorded.
Open in October — at its best. Autumn leaves, mid-October to early November.
Partly closed in November: some days or parts are closed — see the official site.
Closed in December. New Year (Dec 29 – Jan 3): closed.
Checked against the official site on 2026-10-15.
A huge dam lake holding about 600 million tonnes of water, ringed by 2,000 m peaks. Sightseeing boats, including a paddle-steamer-style ship, cruise the lake for about 40 min.
Nearby
- Oze National Park (Fukushima side, Ozenuma) ≈ 55 min by car
- Maezawa Magariya Village ≈ 1 h by car
- Oze National Park (Gunma side) ≈ 1 h 5 min by car
- Yunishikawa Onsen & Heike no Sato ≈ 1 h 20 min by car
- Takaragawa Onsen ≈ 1 h 20 min by car
Travel times are rough estimates by car.
- Best time
- October — Autumn leaves, mid-October to early November
- Getting there
- About 75 min by Minami Echigo Kotsu bus from Urasa Sta. (east exit) to Okutadami Dam (weekends and holidays only, Jun–early Nov, 2 a day)
Few buses — check times or join a tour - Fee
- Lake circuit cruise adults ¥1,300 (¥1,500 Oct 1–Nov 8)
- Good to know
- Boats run May 20 to Nov 8 (about 40 min; about 30 min in autumn) and may be cancelled by weather or water level. Free car park at the dam
- Time needed
- 1 h 30 min
Checked against the official Japanese website on 2026-10-15. Report outdated info