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Lake Trasimeno

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Lake Trasimeno (Italy)

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Highlights of 2026

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Lake Trasimeno, located in the province of Perugia in Umbria, is the fourth largest lake in Italy, covering an area of approximately 128 square kilometers. It is a tectonic lake with no natural surface outlet, making it highly dependent on rainfall and prone to significant level fluctuations; its average depth is only about 4.3 meters, categorizing it as one of Europe's shallowest major lakes. Geologically, the basin was formed around 5 million years ago through tectonic subsidence during the Pliocene epoch. Historically, it is most renowned for the Battle of Lake Trasimeno in 217 BC, where Hannibal's Carthaginian forces ambushed and defeated the Roman army led by Gaius Flaminius. The lake features three islands, Isola Maggiore, Isola Minore, and Isola Polvese, and is surrounded by gentle hills dotted with olive groves and vineyards. Currently, the lake is part of a regional park that serves as a vital sanctuary for migratory waterfowl and endemic fish species. Medieval lakeside towns like Castiglione del Lago retain their historic defensive walls, reflecting the long-standing strategic value of the region.

Best time to visit & climate

The most pleasant time to visit is Jun, Aug, Sep.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C45812172225251915106
Rain mm5967685965423437768011283

📋 Practical info

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Getting there
Visitors typically reach the lake area via the main road connections from Perugia or by train to stations like Passignano sul Trasimeno. The pleasant lakeside towns such as Castiglione del Lago or Tuoro sul Trasimeno serve as good starting points.
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Best season
The best time to visit is from April to October, when the weather is convenient for water activities and hiking in the Umbrian hills. Mid-summer can be quite hot, while spring gives beautifully blooming nature along the shores.
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Terrain & paths
The terrain around this shallow lake is predominantly flat, featuring well-maintained cycling and walking paths along the shoreline. There are no extreme gradients, making the area well-suited for leisurely strolls and family outings.
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What to bring
Bring comfortable walking shoes or sneakers for the shore paths, along with proper sun protection and plenty of drinking water. Binoculars are highly recommended for observing the diverse birdlife in this significant inland body of water.
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Parking
In the larger towns around the lake, there are usually plenty of public parking spaces available, often very close to the shore. During high season, it is advisable to use the designated parking zones located on the outskirts of the historic centers.
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Safety
In summer, pay attention to mosquito protection as the still, shallow water attracts insects, and avoid the midday sun on open paths. The waters are shallow, but you should always heed local weather warnings for sudden thunderstorms.
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Time needed
A visit can range from a relaxing afternoon at one of the lakeside cafes to a full day for a cycling tour or a boat trip. Plan for at least 4-6 hours to properly enjoy the atmosphere and the various panoramic viewpoints.

Geography

Coordinates
43.13330, 12.11670

Facts

  • It is the fourth largest lake in Italy, covering 128 square kilometers.
  • The lake's maximum depth is only about 6 meters.
  • The famous Battle of Lake Trasimeno took place on June 24, 217 BC.
  • Isola Polvese is the largest of the three islands, spanning 70 hectares.
  • An artificial outlet was first attempted by the Romans to control flooding.
  • The lake is home to 18 different species of fish, such as the European perch.

Explore nearby

Notable places around

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

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Sights in the town Lake Trasimeno (4)

Lake Trasimeno Park🌿 nature

A regional nature park encompassing Lake Trasimeno and its surrounding landscape.

Castello di Isola Polvese🏰 castle

A historic castle located on Isola Polvese within Lake Trasimeno.

Centro di Esperienza Ambientale di Isola Polvese🏛 museum

An environmental education centre and museum on Lake Trasimeno's Polvese Island.

Ex Porto dei Frati🏺 historical

Archaeological ruins of a former harbor used by monks on Lake Trasimeno.

Sights nearby

Frequently asked questions

How deep is Lake Trasimeno?
It is very shallow, with an average depth of only about 4 meters.
Are there islands in the lake?
Yes, there are three islands: Isola Maggiore, Isola Minore, and Isola Polvese.
Which island can be visited?
Isola Maggiore (inhabited) and Isola Polvese are regularly accessible by ferry.
What happened here in antiquity?
In 217 BC, Hannibal defeated the Romans here in a famous battle.
Can you cycle around the lake?
Yes, there is a cycle path of about 60 km that goes almost all the way around the lake.
Lake Trasimeno: where is it located?
Lake Trasimeno is located in Italy.
Lake Trasimeno: what is there to see?
Highlights include Lake Trasimeno Park, Castello di Isola Polvese, Centro di Esperienza Ambientale di Isola Polvese.
Lake Trasimeno: when is the best time to visit?
The most pleasant time to visit is Jun, Aug, Sep.
Lake Trasimeno: why is it worth visiting?
Lake Trasimeno, located in the province of Perugia in Umbria, is the fourth largest lake in Italy, covering an area of approximately 128 square kilometers.
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