Crater lake · Japan
Lake Kussharo
Lake in Teshikaga, Hokkaido, Japan
- Area
- 78.5km²
- Max depth
- 118m
- Average depth
- 37m
- Elevation
- 119m a.s.l.
- Shoreline
- 57km
- Volume
- 2.9km³
Lake Kussharo is a crater lake in Japan. It covers 78.5 km². On average it is 37 m deep, and 118 m at its deepest point. Its surface lies 119 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Kussharo?
The water is warmest in August, around 22 °C at the surface, and coldest in February, around 0 °C. The surface averages 20 °C or more from July to August: comfortable for most swimmers.
The lake usually freezes over for about 84 days a year, from around 14 January to 7 April.
On the shore, afternoons reach 23 °C on average in August and -5 °C in January. The driest month is February (35 mm of rain), the wettest August (138 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (68 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | Ice | — | -5 | -14 | 45 | 10 | 4.7 | 14 |
| February | Ice | — | -4 | -14 | 35 | 7 | 5.8 | 15 |
| March | Ice | — | 0 | -7 | 52 | 9 | 5.9 | 17 |
| April | 2 | 4 | 7 | -1 | 63 | 10 | 5.9 | 16 |
| May | 8 | 12 | 13 | 5 | 89 | 11 | 5.8 | 14 |
| June | 16 | 19 | 18 | 10 | 101 | 12 | 5.2 | 12 |
| July | 21 | 22 | 22 | 14 | 114 | 13 | 4.5 | 11 |
| August | 22 | 22 | 23 | 16 | 138 | 13 | 4.4 | 11 |
| September | 19 | 21 | 19 | 12 | 121 | 13 | 4.8 | 12 |
| October | 14 | 16 | 12 | 5 | 106 | 11 | 4.9 | 13 |
| November | 8 | 11 | 5 | -2 | 68 | 11 | 4.1 | 13 |
| December | 4 | 6 | -2 | -11 | 64 | 10 | 4.0 | 12 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 15 years before flowing out.
- Its catchment drains 334 km² of land.
- About 6.2 m³ of water flow out every second, on average.
Around the shore
What's around Lake Kussharo
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- —beaches and swimming spots
- 3campsites
RECAMP Sunayu
- —boat hire and water-sport clubs
- 1marinas and slipways
- —ferry piers
- 1viewpoints
- 5hotels, B&Bs and chalets
Kussharoko Hotel, Kussha-rera Lakeside Resort Pension, Kussharo Genya Youth Hostel, Marukibune, Kussharo Prince Hotel
- —fishing spots
- 4restaurants and cafés
Nearest airport with scheduled flights: Memanbetsu Airport (MMB), 30 km in a straight line.
Car hire at MMB airport (Ōzora)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | -5.0 | -4.2 | 0.3 | 7.0 | 13.4 | 18.0 | 21.5 | 22.7 | 19.0 | 12.4 | 4.9 | -2.3 |
| 2020 | +1.3 | +0.2 | +1.9 | −1.3 | +1.0 | +0.3 | −0.4 | +2.1 | +0.4 | +0.8 | +0.6 | −0.8 |
| 2021 | −0.4 | +1.4 | +2.5 | +1.0 | −0.7 | +2.5 | +3.0 | −0.2 | −0.8 | +0.5 | +1.7 | +1.8 |
| 2022 | +0.1 | ±0.0 | +0.8 | +2.9 | +1.7 | −1.0 | +2.2 | −0.3 | +1.3 | +0.3 | +2.1 | +0.4 |
| 2023 | −1.2 | −0.4 | +3.7 | +1.9 | +2.0 | +2.3 | +3.5 | +2.8 | +3.1 | +1.4 | +2.4 | +0.1 |
| 2024 | +1.5 | +0.2 | −0.1 | +3.2 | +1.7 | +1.7 | +4.3 | +2.5 | +1.4 | +2.3 | +0.7 | −1.0 |
| 2025 | +2.0 | +1.4 | +0.3 | +0.9 | +1.7 | +3.8 | +5.2 | +1.8 | +2.1 | −0.9 | −0.1 | +1.4 |
+1 warmer than usual −1 cooler than usual
About these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q1329458) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.
