Lake Ikeda
Open by month
Open in January — at its best. Rape blossoms with Mt. Kaimondake, late Dec to early Feb. New Year (Dec 29 – Jan 3): open.
Open in February. No seasonal closure recorded.
Open in March. No seasonal closure recorded.
Open in April. No seasonal closure recorded.
Open in May. No seasonal closure recorded.
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. No seasonal closure recorded.
Open in November. No seasonal closure recorded.
Open in December. No seasonal closure recorded. New Year (Dec 29 – Jan 3): open.
Checked against the official site on 2026-10-12.

Kyushu's largest caldera lake, 15 km around and 233 m deep, with cone-shaped Mt. Kaimondake behind it and flower beds along the shore.
Nearby
- Nishi-Oyama Station ≈ 20 min by car
- Mt. Kaimon ≈ 20 min by car
- Ibusuki Sand Bath (Saraku) ≈ 25 min by car
- Cape Nagasakibana ≈ 30 min by car
- Kamafuta Shrine ≈ 35 min by car
Travel times are rough estimates by car.
- Best time
- January — Rape blossoms with Mt. Kaimondake, late Dec to early Feb
- Getting there
- About 20 min by car from JR Ibusuki Station
Easier with a tour or car - Fee
- Free
- Good to know
- Home of giant eels, and of 'Issie', the lake's legendary monster
- Time needed
- 45 min
Checked against the official Japanese website on 2026-10-12. Report outdated info