Lake Ilopango

Lake Crater lake east of San Salvador; volcanic caldera

East of San Salvador, Lake Ilopango fills a volcanic caldera and draws visitors for kayaking, lakeside drives and to study its dramatic eruption history and nearby communities.

Main image

Lake Ilopango is a large crater lake occupying a volcanic caldera just east of San Salvador, the capital of El Salvador.

The lake fills a caldera formed by past volcanic activity and is a prominent landscape feature in the surrounding valley. It is used for local recreation, including boating and fishing, and is visible from nearby highways and towns.

The caldera and lake are part of the regional volcanic system and have influenced settlement patterns around the basin. The shoreline and access points serve local communities more than large-scale tourism.

Located immediately east of San Salvador, the lake lies within the country’s central highland region.

  • Caldera lake: Occupies a volcanic caldera east of San Salvador and is used locally for boating and fishing.
Lake Ilopango
13.6731, -89.0469
Open year-round
Free

How to Get to Lake Ilopango #

From San Salvador (city center), take the Carretera Litoral/CA-2 or the Carretera a San Salvador-Zaragoza (CA-5) east and connect to the local road around the caldera (approximately 12-20 km depending on the chosen shore). Some sections of the lakeside road are narrow; buses and colectivos serve towns around the lake but hiring a car or boat gives the most flexibility.

Tips for Visiting Lake Ilopango #

  • Hire a local operator for a boat trip; informal launch points around the lake will get closer to the fumaroles and shoreline caves than most public piers.
  • Avoid the hottest hours for swimming-strong sun and steep drop-offs combine in spots.
  • Visit the Miramundo archaeological museum in San Salvador for context about the AD 6th-century eruption that reshaped the region.
  • If planning a full circumnavigation, start early-road conditions vary and parts of the ring road are narrow and unlit.

Best Time to Visit Lake Ilopango #

Most pleasant in the dry season (Nov-Apr) for boating and clearer weather; evenings can be warm year-round.

Dry season (Nov-Apr)
Nov-Apr · 22-32°C (72-90°F)
Calmer waters and clearer skies; best for boating and archaeological visits.
Wet season (May-Oct)
May-Oct · 20-30°C (68-86°F)
Afternoons bring heavy showers and dramatic cloudscapes over the caldera; fewer tourists.

Weather & Climate near Lake Ilopango #

Climate

Lake Ilopango's climate is classified as Tropical Savanna - Tropical Savanna climate with consistently warm temperatures year-round. Temperatures range from 18°C to 31°C. Abundant rainfall (1945 mm/year), wettest in September with a pronounced dry season.

Temperature & Rainfall
Temperature Range
31°
Warmest Month
18°
Coldest Month
Monthly Conditions

January

January is mild with highs of 29°C and lows of 18°C. The driest month with just 6 mm.

Comfort

23°
Feels Like Mild
23°C
Temperature
18° 29°

Weather

6 mm
Rainfall
2.8 m/s
Wind
Calm

February

February is mild with highs of 29°C and lows of 18°C. The driest month with just 6 mm.

Comfort

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

Weather

6 mm
Rainfall
2.7 m/s
Wind
Calm

March

March is warm with highs of 30°C and lows of 19°C. Light rainfall.

Comfort

25°
Feels Like Warm
25°C
Temperature
19° 30°

Weather

14 mm
Rainfall
2.6 m/s
Wind
Calm

April

April is the warmest month with highs of 31°C and lows of 20°C. Moderate rainfall (61 mm).

Comfort

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

Weather

61 mm
Rainfall
2.3 m/s
Wind
Calm

May

May is warm with highs of 30°C and lows of 20°C. Heavy rain (221 mm).

Comfort

25°
Feels Like Warm
25°C
Temperature
20° 30°

Weather

221 mm
Rainfall
1.8 m/s
Wind
Calm

June

June is warm with highs of 28°C and lows of 20°C. Heavy rain (354 mm).

Comfort

24°
Feels Like Warm
24°C
Temperature
20° 28°

Weather

354 mm
Rainfall
1.5 m/s
Wind
Calm

July

July is warm with highs of 29°C and lows of 20°C. Heavy rain (315 mm).

Comfort

25°
Feels Like Warm
25°C
Temperature
20° 29°

Weather

315 mm
Rainfall
1.7 m/s
Wind
Calm

August

August is warm with highs of 29°C and lows of 19°C. Heavy rain (308 mm).

Comfort

24°
Feels Like Warm
24°C
Temperature
19° 29°

Weather

308 mm
Rainfall
1.7 m/s
Wind
Calm

September

September is mild with highs of 28°C and lows of 19°C. The wettest month with heavy rain (373 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
19° 28°

Weather

373 mm
Rainfall
1.5 m/s
Wind
Calm

October

October is mild with highs of 28°C and lows of 19°C. Heavy rain (238 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
19° 28°

Weather

238 mm
Rainfall
1.6 m/s
Wind
Calm

November

November is mild with highs of 28°C and lows of 19°C. Moderate rainfall (42 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
19° 28°

Weather

42 mm
Rainfall
2.0 m/s
Wind
Calm

December

December is mild with highs of 28°C and lows of 18°C. Almost no rain.

Comfort

23°
Feels Like Mild
23°C
Temperature
18° 28°

Weather

7 mm
Rainfall
2.4 m/s
Wind
Calm

Nearby Attractions to Lake Ilopango