Lake Vico

Lake Volcanic crater lake in Lazio within natural park

A volcanic lake north of Viterbo in Lazio, ringed by beech woods and small villages; popular activities include hiking, cycling on quiet roads and lakeside restaurants serving local trout.

Main image

Lake Vico is a crater lake in northern Lazio, Italy, occupying the caldera of the extinct Vico volcano. It is a well-defined volcanic lake set within wooded hills west of Viterbo.

Visitors encounter a compact lakeshore with walking and cycling trails, chestnut and oak woodlands and small villages. The lake and its rim are used for outdoor recreation such as hiking, birdwatching and seasonal swimming in designated spots.

The caldera formed during volcanic activity in the Quaternary and later filled to form the present lake; the basin has been used for agriculture, forestry and seasonal settlement for centuries. Local communities have long exploited chestnut groves on the surrounding slopes.

Lake Vico sits in the Cimini Hills of Lazio, within Viterbo province, surrounded by low volcanic hills and woodland; the town of Viterbo lies to the east and Rome is to the southeast within a regional driving distance.

  • Volcanic origin: A volcanic crater lake sitting in a caldera of the extinct Vico volcano; the rim and basin support broad-leaved forests and managed trails.

What to See #

  • Regional Natural Park: Parco Regionale Lago di Vico protects the lake rim, surrounding chestnut and holm-oak woodlands and trails used for hiking and mountain biking.
Lake Vico
Lake Vico (Lago di Vico), near Ronciglione / Viterbo, Province of Viterbo, Lazio, Italy (in the Parco Regionale del Lago di Vico)
42.3167, 12.1667
Open access (no set hours)
Free (open natural lake within regional park)

How to Get to Lake Vico #

Lake Vico is located in the Cimini Hills in northern Lazio near the towns of Ronciglione and Caprarola (province of Viterbo). From Rome drive north on the A1 (Autostrada) and continue on regional/Provincial roads toward Viterbo and Ronciglione, then follow local signs to the lake-travel time from central Rome is typically around 1-1.5 hours by car. Viterbo has regional rail service and bus links to nearby towns; from those towns a short taxi or local-bus ride reaches the lake and parking areas.

Tips for Visiting Lake Vico #

  • Approach Lake Vico from the towns of Ronciglione or Caprarola to reach the main parking and lakeside walks; those villages give the easiest, established access to the shoreline and services.
  • Plan for sunrise or late afternoon for calm waters and the best crater reflections; if you have time, hike up to the crater rim (Monte Venere area) for panoramic views over the lake.
  • Avoid weekend crowds from Rome by visiting on weekdays and use smaller secondary roads and village piers on the western shore to find quieter viewpoints many visitors skip.

Best Time to Visit Lake Vico #

Best from late spring through early autumn when trails and facilities are fully accessible and weather is pleasant for hiking and boating.

Spring
April-June · 10-20°C
Mild and pleasant with blossoming countryside-very good for hiking around the crater lake.
Summer
July-August · 20-30°C
Warmest months, popular for outdoor activities though evenings can be cooler near the lake.
Winter
December-February · 0-8°C
Cool to cold with chilly nights and potential frost; quieter and atmospheric but less suitable for swimming.

Weather & Climate near Lake Vico #

Climate

Lake Vico's climate is classified as Hot-Summer Mediterranean - Hot-Summer Mediterranean climate with warm summers (peaking in August) and cold winters (coldest in January). Temperatures range from 2°C to 27°C. Semi-arid with limited rainfall.

Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
39°
Warmest Month
-7°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 8°C and lows of 2°C. Light rainfall and partly cloudy skies.

55 Acceptable

Comfort

Feels Like Cold
C
Temperature
87%
Humidity
Very Humid

Weather

21 mm
Rainfall
2.6 m/s
Wind
Calm
0.2
UV Index
Low
9.3h daylight

February

February is cold with highs of 9°C and lows of 3°C. Light rainfall and partly cloudy skies.

63 Good

Comfort

Feels Like Cold
C
Temperature
83%
Humidity
Very Humid

Weather

20 mm
Rainfall
2.9 m/s
Wind
Calm
0.4
UV Index
Low
10.4h daylight

March

March is cold with highs of 11°C and lows of 4°C. Light rainfall and partly cloudy skies.

63 Good

Comfort

Feels Like Cold
C
Temperature
11°
79%
Humidity
Very Humid

Weather

18 mm
Rainfall
2.9 m/s
Wind
Calm
0.7
UV Index
Moderate
11.8h daylight

April

April is cool with highs of 14°C and lows of 6°C. Light rainfall and partly cloudy skies.

65 Good

Comfort

10°
Feels Like Cool
10°C
Temperature
14°
74%
Humidity
Very Humid

Weather

23 mm
Rainfall
2.9 m/s
Wind
Calm
1.1
UV Index
High
13.2h daylight

May

May is cool with highs of 19°C and lows of 11°C. Light rainfall and partly cloudy skies.

73 Very Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 19°
71%
Humidity
Very Humid

Weather

21 mm
Rainfall
2.4 m/s
Wind
Calm
1.5
UV Index
Very High
14.4h daylight

June

June is mild with highs of 23°C and lows of 14°C. Light rainfall.

89 Excellent

Comfort

19°
Feels Like Mild
19°C
Temperature
14° 23°
65%
Humidity
Humid

Weather

15 mm
Rainfall
2.3 m/s
Wind
Calm
1.9
UV Index
Very High
15.1h daylight

July

July is mild with highs of 27°C and lows of 17°C. The driest month with just 10 mm and mostly sunny skies.

97 Ideal

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 27°
59%
Humidity
Humid

Weather

10 mm
Rainfall
2.5 m/s
Wind
Calm
2.1
UV Index
Extreme
14.8h daylight

August

August is the warmest month with highs of 26°C and lows of 18°C. Light rainfall and mostly sunny skies.

93 Ideal

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 26°
59%
Humidity
Humid

Weather

15 mm
Rainfall
2.4 m/s
Wind
Calm
1.7
UV Index
Very High
13.7h daylight

September

September is mild with highs of 22°C and lows of 15°C. Light rainfall.

89 Excellent

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 22°
68%
Humidity
Humid

Weather

24 mm
Rainfall
2.4 m/s
Wind
Calm
1.1
UV Index
High
12.3h daylight

October

October is cool with highs of 17°C and lows of 11°C. The wettest month with 32 mm of rain and partly cloudy skies.

75 Very Good

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°
78%
Humidity
Very Humid

Weather

32 mm
Rainfall
2.4 m/s
Wind
Calm
0.6
UV Index
Moderate
10.9h daylight

November

November is cold with highs of 12°C and lows of 6°C. Moderate rainfall (31 mm) and partly cloudy skies.

61 Good

Comfort

Feels Like Cold
C
Temperature
12°
85%
Humidity
Very Humid

Weather

31 mm
Rainfall
2.5 m/s
Wind
Calm
0.3
UV Index
Low
9.6h daylight

December

December is cold with highs of 9°C and lows of 4°C. Light rainfall and partly cloudy skies.

64 Good

Comfort

Feels Like Cold
C
Temperature
87%
Humidity
Very Humid

Weather

24 mm
Rainfall
3.0 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.0h daylight

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