Lake · Italy
Lake Orta
Lake in Italy
- Area
- 16.9km²
- Max depth
- 143m
- Average depth
- 45m
- Elevation
- 290m a.s.l.
- Shoreline
- 33km
- Volume
- 0.755km³
Lake Orta is a lake in Italy. It covers 16.9 km². On average it is 45 m deep, and 143 m at its deepest point. Its surface lies 290 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Orta?
The water is warmest in August, around 25 °C at the surface, and coldest in January, around 5 °C. The surface averages 20 °C or more from June to September: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 18 °C on average in July and -3 °C in January. The driest month is January (55 mm of rain), the wettest May (143 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (187 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 | 5 | 6 | -3 | -12 | 55 | 11 | 4.2 | 9 |
| February | 6 | 6 | -2 | -12 | 56 | 10 | 5.5 | 9 |
| March | 8 | 10 | 1 | -7 | 72 | 12 | 6.4 | 8 |
| April | 12 | 15 | 6 | -2 | 101 | 15 | 5.9 | 8 |
| May | 17 | 20 | 11 | 2 | 143 | 19 | 5.7 | 8 |
| June | 22 | 24 | 16 | 7 | 124 | 18 | 7.4 | 8 |
| July | 25 | 25 | 18 | 8 | 113 | 17 | 7.9 | 7 |
| August | 25 | 25 | 17 | 8 | 125 | 16 | 7.1 | 7 |
| September | 22 | 24 | 13 | 4 | 90 | 14 | 6.1 | 7 |
| October | 18 | 20 | 8 | 0 | 101 | 14 | 4.7 | 7 |
| November | 12 | 15 | 2 | -4 | 131 | 14 | 3.4 | 7 |
| December | 8 | 10 | -2 | -10 | 71 | 12 | 3.5 | 8 |
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 5.3 years before flowing out.
- Its catchment drains 129 km² of land.
- About 4.5 m³ of water flow out every second, on average.
Around the shore
What's around Lake Orta
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 19beaches and swimming spots
Approdo Don Angelo Villa, Spiaggia Campegio, Spiaggia communale, spiaggia libera bagnella, Spiaggia Lido and 14 more
- 13campsites
Area camper di Madonna del Sasso, Camping Cusio, Camping Orta, Area camper Orta San Giulio, Camping Punta di Crabbia and 8 more
- 4boat hire and water-sport clubs
Canoe Lago d'Orta, Canottieri Città di Omegna, Amici Vela Cusio Omegna
- 7marinas and slipways
Porticciolo di Bagnella and 6 more
- 11ferry piers
Isola, Pella, Navigazione Orta Omegna, Orta piazza, Crabbia and 6 more
- 19viewpoints
Madonna Del Sasso, Rotonda Sora Luna et Stelle, Croce Egro, Lido di Gozzano and 15 more
- 37hotels, B&Bs and chalets
La Sibilla, B&B AL DOM, La Contrada dei Monti Hotel garni, Hotel Ristorante La Bussola, Casa Caterina and 32 more
- —fishing spots
- 104restaurants and cafés
Towns on the shore
- Omegna14,868 people
- Gozzano4,596 people
- San Maurizio D'Opaglio2,663 people
- Armeno1,627 people
- Pogno1,433 people
- Pettenasco1,133 people
- Bolzano Novarese912 people
- Soriso704 people
Nearest airport with scheduled flights: Milan Malpensa International Airport (MXP), 33 km in a straight line.
Car hire at MXP airport (Ferno)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 | -3.1 | -2.2 | 1.1 | 5.9 | 10.8 | 15.7 | 17.8 | 17.2 | 13.3 | 8.4 | 2.3 | -2.1 |
| 2020 | +2.2 | +2.1 | −0.3 | +1.7 | +1.9 | −1.4 | +1.3 | +1.0 | +0.7 | −1.9 | +3.1 | −0.9 |
| 2021 | −1.4 | +1.6 | +0.3 | −1.5 | −1.9 | +0.2 | −0.5 | +0.2 | +1.0 | −0.4 | −0.1 | +1.2 |
| 2022 | +2.4 | +3.1 | +2.0 | +1.4 | +2.8 | +2.5 | +3.1 | +1.7 | −0.3 | +3.7 | +0.9 | +0.5 |
| 2023 | +0.3 | +2.6 | +3.8 | +0.3 | ±0.0 | +0.2 | +1.3 | +1.5 | +2.5 | +3.0 | −0.4 | +2.3 |
| 2024 | +1.5 | +3.4 | +0.6 | −0.6 | −1.0 | −0.6 | +1.3 | +2.4 | −2.1 | +0.8 | +2.0 | +2.5 |
| 2025 | +1.7 | +1.8 | +1.5 | +2.0 | +1.0 | +3.4 | −0.2 | +1.3 | +0.2 | +0.1 | −0.2 | +2.4 |
+1 warmer than usual −1 cooler than usual
SwitzerlandAbout 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 (Q63141) · 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.
