Crater lake · Japan
Lake Tōya
Crater lake in Hokkaido, Japan
- Area
- 70.0km²
- Average depth
- 52m
- Elevation
- 80m a.s.l.
- Shoreline
- 49km
- Volume
- 3.7km³
Lake Tōya is a crater lake in Japan. It covers 70.0 km². On average it is 52 m deep. Its surface lies 80 m above sea level.
Plan your visit
Stay, sail and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
The water
How warm is Lake Tōya?
The water is warmest in August, around 23 °C at the surface, and coldest in February, around 2 °C. The surface averages 20 °C or more from July to September: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 24 °C on average in August and -2 °C in January. The driest month is April (68 mm of rain), the wettest August (150 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (50 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 | 2 | 3 | -2 | -7 | 96 | 23 | 1.6 | 17 |
| February | 2 | 2 | -2 | -7 | 77 | 19 | 2.5 | 18 |
| March | 2 | 3 | 2 | -4 | 70 | 15 | 4.3 | 16 |
| April | 4 | 6 | 8 | 1 | 68 | 11 | 5.8 | 13 |
| May | 10 | 13 | 14 | 6 | 80 | 11 | 6.3 | 11 |
| June | 17 | 20 | 19 | 11 | 83 | 10 | 5.4 | 9 |
| July | 22 | 24 | 22 | 16 | 122 | 12 | 4.4 | 9 |
| August | 23 | 24 | 24 | 17 | 150 | 13 | 4.8 | 9 |
| September | 20 | 22 | 21 | 14 | 132 | 14 | 5.2 | 10 |
| October | 15 | 18 | 14 | 8 | 111 | 15 | 4.3 | 12 |
| November | 9 | 12 | 7 | 1 | 126 | 19 | 2.2 | 14 |
| December | 5 | 7 | 0 | -4 | 123 | 23 | 1.3 | 16 |
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 20 years before flowing out.
- Its catchment drains 183 km² of land.
- About 5.7 m³ of water flow out every second, on average.
Around the shore
What's around Lake Tōya
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 2beaches and swimming spots
- 6campsites
Nakatoya Campsite, Toyako Glamping and 4 more
- 2boat hire and water-sport clubs
- —marinas and slipways
- —ferry piers
- 11viewpoints
The Eight Views of Lake Toya - Ukimido, View Point, The Eight Views of Lake Toya - Soubetsu Spa Resort and 8 more
- 35hotels, B&Bs and chalets
Hotel cocoa, The Lake View Toya Nonokaze Resort, Hotel Grand Toya, Lake View Hotel, Hokkai Hotel and 30 more
- —fishing spots
- 38restaurants and cafés
Towns on the shore
- Tōyako-onsemmachi8,442 people
- Sōbetsu2,743 people
Nearest airport with scheduled flights: New Chitose Airport (CTS), 68 km in a straight line.
Car hire at CTS airport (Sapporo)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 | -2.5 | -2.0 | 1.8 | 8.3 | 14.2 | 18.9 | 22.4 | 24.0 | 20.6 | 14.2 | 6.7 | -0.4 |
| 2020 | +1.3 | +0.8 | +2.1 | −0.6 | +0.4 | +0.5 | −0.2 | +1.0 | +0.8 | +0.3 | +1.0 | −0.9 |
| 2021 | −0.5 | +0.3 | +2.2 | +0.5 | ±0.0 | +1.3 | +1.6 | −0.6 | +0.3 | +0.6 | +1.9 | +1.3 |
| 2022 | +0.4 | +0.3 | +0.3 | +1.8 | +0.9 | −0.4 | +1.4 | −0.5 | +1.0 | ±0.0 | +2.2 | −0.4 |
| 2023 | −0.8 | +0.4 | +3.4 | +1.4 | +1.0 | +1.3 | +2.4 | +3.5 | +2.6 | +1.0 | +1.6 | +0.2 |
| 2024 | +2.1 | +0.7 | −0.3 | +2.8 | +1.3 | +1.1 | +2.5 | +2.6 | +1.4 | +1.8 | +0.8 | −1.0 |
| 2025 | +1.5 | +1.3 | +0.5 | +0.5 | +1.0 | +2.7 | +3.7 | +2.3 | +2.3 | −0.2 | +0.5 | +1.2 |
+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 (Q1323974) · 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.
