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Our guide
Lake Kuttara is an almost circular caldera lake in Shiraoi, Hokkaido, within Shikotsu-Tōya National Park. It is recognised as having the best water quality in Japan; its transparency of 19 m ranks second only to Lake Mashū in the Ministry of the Environment's figures. The Ezo salamander lives here, and sockeye salmon have been introduced since 1909.
We have not checked roads or a public-transport route, so plan the journey on the map and look for local information before you go.
Written by japan-spots.com (2026-09-22) from the sources credited on this page. Distances are straight lines between map positions.
Photos
Photos from Wikimedia Commons, each under its own licence — see credits
- Lake Kuttara 1 — Highten31 · CC BY-SA 3.0 · source · resized
- Lake kuttara — User:欅 · CC BY-SA 3.0 · source · resized
- Lake Kuttara 2 — Highten31 · CC BY-SA 3.0 · source · resized
- 131102 Lake Kuttara Shiraoi Hokkaido Japan01s3 — 663highland · CC BY 2.5 · source · resized
- 131102 Lake Kuttara Shiraoi Hokkaido Japan02s3 — 663highland · CC BY 2.5 · source · resized
- Lake kuttara alexpetropoulos — Kakashikun · CC BY-SA 4.0 · source · resized
What this place is
Lake Kuttara (倶多楽湖, Kuttara-ko) is a nearly circular caldera lake in Shiraoi, Hokkaidō, Japan. It is part of Shikotsu-Tōya National Park. The lake is recognized as having the best water quality in all of Japan. With a transparency of 19 metres (62 ft), the lake ranks second to Lake Mashū according to the Ministry of the Environment. Resident species of the lake include a salamander species, Ezo salamander (エゾサンショウウオ, Ezo Sanshōuo). Since 1909, sockeye salmon have been introduced to the lake.
Background text from Wikipedia (CC BY-SA 4.0)
What to expect at this type of place: Lakes & falls
Getting there
We do not have step-by-step transit directions for this spot yet. Open the location on Google Maps for routes from where you are staying.
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