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Vättern
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Vättern is the second largest lake in Sweden, covering an area of approximately 1,893 square kilometers in the southern part of the country. It is characterized by its remarkable maximum depth of 128 meters and exceptionally clear water, which serves as a primary source of drinking water for many surrounding municipalities. Geologically, the lake is situated in a graben formed by tectonic activity and was further shaped by glacial movements during the last ice age. The shoreline features steep cliffs in the north and rolling hills in the south, with the city of Jönköping serving as the major urban hub at its southern tip. The historic island of Visingsö lies within the lake and was a strategic location for the Swedish monarchy during the Middle Ages. Due to its great depth and narrow shape, the water warms up slowly, affecting the composition of local aquatic life. Today, Vättern is a critical ecosystem and a center for inland fishing and scientific water quality monitoring.
- Location: Sweden
- Nearby: Hjo (13 km)
Best time to visit & climate
The most pleasant time to visit is Jun–Aug.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -4 | -3 | 0 | 6 | 11 | 15 | 18 | 17 | 13 | 7 | 2 | -2 |
| Rain mm | 53 | 44 | 41 | 43 | 76 | 98 | 107 | 94 | 64 | 75 | 65 | 57 |
📋 Practical info
Getting there
Lake Vättern is excellently accessible via the E4 motorway, which runs along the eastern shore, connecting places like Jönköping and Gränna. Ferry connections from Gränna lead to the island of Visingsö, while the western shore is reachable via quieter local roads and photogenic coastal towns.
Best season
Summer is the most popular time for visits and boat trips, as the water then shows its famous clarity best. In winter, the lake rarely freezes over completely due to its depth, but it often has spectacular ice formations on the steep rocky shores.
Terrain & paths
The topography of this deep rift valley lake is characterized by steeply sloping shores, especially on the eastern bank near Omberg. There are both gentle sandy beaches and rugged rock cliffs, with many hiking trails offering wide panoramic views over the deep blue water.
What to bring
Polarized sunglasses are recommended to fully enjoy the water's exceptional clarity. For hikes in the shore areas or on Visingsö, light hiking boots or comfortable sneakers are sufficient, while sailors will need windproof clothing.
Parking
Parking spaces are plentiful in the centers of Gränna, Vadstena, and Jönköping, as well as at the hiking parking lots in the Omberg Nature Reserve. In Gränna, there are special long-term parking lots for visitors wishing to cross by ferry to Visingsö.
Safety
Vättern is considered treacherous, as winds can quickly generate strong waves across the long lake. The water remains quite cool year-round, so the risk of hypothermia when swimming or in the event of boating accidents should not be underestimated.
Time needed
A short stay of 2 to 3 hours is enough for a city stroll and a look at the lake, but a full day is convenient to explore Visingsö or Omberg. Many travelers also use the region for a multi-day stopover on the route between Stockholm and Gothenburg.
Geography
Facts
- At 1,893 km², it is the second largest lake in Sweden after Vänern.
- The maximum depth of Vättern is 128 meters near the island of Visingsö.
- The water volume of the lake is estimated at approximately 77 cubic kilometers.
- The lake surface is situated at an elevation of 88 meters above sea level.
- The lake stretches for a total length of 135 kilometers from north to south.
- The theoretical water renewal time for the entire lake is about 60 years.
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.
Vehicle
Only stops with (optional):
© OpenStreetMap contributors · OpenRouteService
Sights nearby
Frequently asked questions
What makes Lake Vättern special?
Its extremely clear and deep water, which is used as drinking water in many places.
Where can you best enjoy the view?
From Omberg, you have a fantastic view over the lake and the surrounding landscape.
Are there boat connections on the lake?
Yes, there are ferries to Visingsö island from Gränna and excursion boats in summer.
Can you cycle around the lake?
Yes, the Vätternrundan is a famous amateur cycling race that circles the lake annually.
Which city on Lake Vättern is worth visiting?
Gränna (famous for candy canes) and Vadstena with its castle and abbey.
Vättern: where is it located?
Vättern is located in Sweden.
Vättern: when is the best time to visit?
The most pleasant time to visit is Jun, Aug.
Vättern: why is it worth visiting?
Vättern is the second largest lake in Sweden, covering an area of approximately 1,893 square kilometers in the southern part of the country.
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