Lake Yliki

Lake Natural lake and reservoir north of Thebes, water source

Northwest of Athens, Lake Yliki functions as a reservoir with pine-fringed shores and limestone ridges. Anglers, hikers and day-trippers visit along access roads from nearby towns.

Main image

Lake Yliki (Iliki) is a lake and reservoir in Central Greece, within the Boeotia area, that functions as part of regional water-supply infrastructure. It is a notable freshwater body in the agricultural plains north of Thebes and contributes to local water management.

The lake basin and dams have been developed to regulate water storage and supply for surrounding towns and farmland. Access around the lake is generally along rural roads and the area is characterized by open agricultural land and low hills.

Yliki lies inland in Central Greece and is part of the regional hydrological network serving nearby communities and municipalities.

  • Reservoir use: Used as a reservoir, the lake plays a role in regional water supply and is located within the agricultural plains of Central Greece.
Lake Yliki
38.3981, 23.2828

How to Get to Lake Yliki #

Drive: Reachable by regional roads from Thebes (Thiva) and the Attica plain. A car is the most practical way to approach the reservoir and nearby viewpoints.

Tips for Visiting Lake Yliki #

  • Check local schedules for reservoir operations-the Yliki dams supply water to Athens and access can be restricted in places.
  • Bring binoculars for winter birdwatching; the lake and adjacent wetlands attract migrating species.
  • Combine with a drive to the nearby archaeological site of Oropos for a taste of local history.

Best Time to Visit Lake Yliki #

Best in mild months for roadside views; this is primarily an operational reservoir rather than a recreation hub.

Spring-Autumn
April-October · 12-28°C (54-82°F)
Good for driving and short walks along permitted areas of the reservoir.

Weather & Climate near Lake Yliki #

Climate

Lake Yliki's climate is classified as Hot-Summer Mediterranean - Hot-Summer Mediterranean climate with hot summers (peaking in July) and cold winters (coldest in January). Temperatures range from 4°C to 31°C. Moderate rainfall (536 mm/year) with a pronounced dry season.

Temperature & Rainfall
Temperature Range
31°
Warmest Month
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 12°C and lows of 4°C. Moderate rainfall (69 mm).

Comfort

Feels Like Cold
C
Temperature
12°

Weather

69 mm
Rainfall
3.4 m/s
Wind
Light Breeze

February

February is cold with highs of 12°C and lows of 4°C. Moderate rainfall (65 mm).

Comfort

Feels Like Cold
C
Temperature
12°

Weather

65 mm
Rainfall
3.7 m/s
Wind
Light Breeze

March

March is cool with highs of 14°C and lows of 6°C. Moderate rainfall (62 mm).

Comfort

10°
Feels Like Cool
10°C
Temperature
14°

Weather

62 mm
Rainfall
3.5 m/s
Wind
Light Breeze

April

April is cool with highs of 19°C and lows of 9°C. Moderate rainfall (34 mm).

Comfort

14°
Feels Like Cool
14°C
Temperature
19°

Weather

34 mm
Rainfall
3.0 m/s
Wind
Light Breeze

May

May is mild with highs of 24°C and lows of 14°C. Light rainfall.

Comfort

19°
Feels Like Mild
19°C
Temperature
14° 24°

Weather

24 mm
Rainfall
2.8 m/s
Wind
Calm

June

June is mild with highs of 29°C and lows of 18°C. Light rainfall.

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 29°

Weather

15 mm
Rainfall
3.0 m/s
Wind
Light Breeze

July

July is the warmest month with highs of 31°C and lows of 20°C. The driest month with just 7 mm.

Comfort

26°
Feels Like Warm
26°C
Temperature
20° 31°

Weather

7 mm
Rainfall
3.3 m/s
Wind
Light Breeze

August

August is warm with highs of 31°C and lows of 20°C. Light rainfall.

Comfort

25°
Feels Like Warm
25°C
Temperature
20° 31°

Weather

12 mm
Rainfall
3.2 m/s
Wind
Light Breeze

September

September is mild with highs of 27°C and lows of 17°C. Light rainfall.

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 27°

Weather

22 mm
Rainfall
3.0 m/s
Wind
Light Breeze

October

October is cool with highs of 22°C and lows of 13°C. Moderate rainfall (64 mm).

Comfort

18°
Feels Like Cool
18°C
Temperature
13° 22°

Weather

64 mm
Rainfall
3.0 m/s
Wind
Light Breeze

November

November is cool with highs of 17°C and lows of 9°C. Moderate rainfall (69 mm).

Comfort

13°
Feels Like Cool
13°C
Temperature
17°

Weather

69 mm
Rainfall
2.8 m/s
Wind
Calm

December

December is cold with highs of 13°C and lows of 6°C. The wettest month with 93 mm of rain.

Comfort

10°
Feels Like Cold
10°C
Temperature
13°

Weather

93 mm
Rainfall
3.2 m/s
Wind
Light Breeze

Nearby Attractions to Lake Yliki