Lake Onneto
Open by month
Partly closed in January: Road beyond Meakan Onsen closed early Dec – early Apr; the lake can only be reached on snowshoes.
Partly closed in February: Road beyond Meakan Onsen closed early Dec – early Apr; the lake can only be reached on snowshoes.
Partly closed in March: Road beyond Meakan Onsen closed early Dec – early Apr; the lake can only be reached on snowshoes.
Partly closed in April: Road beyond Meakan Onsen closed early Dec – early Apr; the lake can only be reached on snowshoes.
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.
Partly closed in December: Road beyond Meakan Onsen closed early Dec – early Apr; the lake can only be reached on snowshoes.
Checked against the official site on 2026-10-12.
A forest lake below Mt. Meakan and Akan-Fuji whose colour shifts with the weather and light; a lakeside path leads to a rare hot-spring waterfall.
Akan-Mashu National Park
Nearby
- Lake Akan Onsen ≈ 30 min by car
- Bihoro Pass ≈ 1 h 20 min by car
Travel times are rough estimates by car.
- Closed or limited
- Road beyond Meakan Onsen closed early Dec – early Apr; the lake can only be reached on snowshoes
- Getting there
- About 50 min by car from central Ashoro, or about 20 min from Akanko Onsen
Easier with a tour or car - Fee
- Free
- Good to know
- Mt. Meakan has a volcanic alert (level 2), so climbing is restricted; the lakeside is open. No toilet at the viewing deck
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-12. Report outdated info