
Reservoir · Czechia
Orlík Reservoir
Lake in the Czech Republic
- Area
- 15.1km²
- Max depth
- 74m
- Average depth
- 48m
- Elevation
- 352m a.s.l.
- Shoreline
- 109km
- Volume
- 0.717km³
Orlík Reservoir is a reservoir in Czechia. It covers 15.1 km². On average it is 48 m deep, and 74 m at its deepest point. Its surface lies 352 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Orlík Reservoir?
The water is warmest in July, around 24 °C at the surface, and coldest in February, around 3 °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 25 °C on average in July and 0 °C in January. The driest month is February (35 mm of rain), the wettest August (89 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (117 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 | 3 | 4 | 0 | -6 | 46 | 11 | 1.7 | 18 |
| February | 3 | 3 | 2 | -5 | 35 | 9 | 3.5 | 18 |
| March | 5 | 8 | 7 | -2 | 44 | 11 | 4.6 | 17 |
| April | 11 | 14 | 14 | 3 | 40 | 9 | 6.3 | 15 |
| May | 17 | 20 | 18 | 8 | 75 | 14 | 6.7 | 14 |
| June | 22 | 24 | 22 | 12 | 87 | 14 | 7.3 | 13 |
| July | 24 | 24 | 25 | 14 | 84 | 15 | 7.3 | 13 |
| August | 23 | 24 | 24 | 13 | 89 | 12 | 6.8 | 12 |
| September | 20 | 22 | 19 | 8 | 55 | 10 | 5.2 | 14 |
| October | 16 | 18 | 13 | 4 | 47 | 10 | 3.3 | 15 |
| November | 11 | 14 | 6 | 0 | 42 | 10 | 1.2 | 15 |
| December | 7 | 9 | 2 | -4 | 41 | 11 | 1.3 | 17 |
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 4 months before flowing out.
- Its catchment drains 12,025 km² of land.
- About 76 m³ of water flow out every second, on average.
- Its shoreline is 7.9 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Orlík Reservoir
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 5beaches and swimming spots
- 13campsites
Kemp Štědronín, Tvrz Holesice, Kemp Popelíky, kemp Radava, Kemp Velký výr and 8 more
- —boat hire and water-sport clubs
- 7marinas and slipways
Popelíky, Marina Orlík and 5 more
- 7ferry piers
Přehrada Orlík, Orlík zámek, Trhovky, Radava, Solenice and 2 more
- 34viewpoints
Na Vlčí skále and 33 more
- 23hotels, B&Bs and chalets
Solenice, Vltava, chata Červená nad Vltavou, Hotel U Jezera, penzion Kaskáda Solenice and 18 more
- —fishing spots
- 20restaurants and cafés
Nearest airport with scheduled flights: Václav Havel Airport Prague (PRG), 59 km in a straight line.
Car hire at PRG airport (Prague)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 | 0.3 | 2.3 | 7.3 | 13.7 | 18.2 | 22.4 | 24.9 | 24.5 | 19.1 | 12.9 | 6.3 | 1.6 |
| 2020 | +2.4 | +4.2 | +0.8 | +2.2 | −1.2 | −1.9 | −0.9 | +0.7 | +1.3 | −0.5 | +0.4 | +0.9 |
| 2021 | −0.2 | +0.7 | −0.5 | −3.8 | −3.7 | +1.5 | −0.9 | −3.1 | +1.7 | +1.2 | −0.2 | +0.3 |
| 2022 | +2.1 | +3.0 | +1.3 | −2.0 | +2.4 | +3.2 | +0.8 | +1.6 | −1.1 | +3.3 | +1.4 | +0.6 |
| 2023 | +3.6 | +2.0 | +1.5 | −2.9 | −0.5 | +0.5 | +1.9 | ±0.0 | +4.4 | +3.9 | +0.8 | +2.0 |
| 2024 | +1.7 | +5.7 | +4.2 | +1.0 | +0.5 | +0.4 | +0.3 | +2.5 | +0.9 | +1.0 | −0.4 | +0.8 |
| 2025 | +2.1 | +0.4 | +2.5 | +1.7 | −0.8 | +3.2 | −0.2 | +1.5 | +1.2 | −0.5 | −0.6 | +1.1 |
+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 (Q1757602) · 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.

