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Hornavan
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Hornavan is the deepest lake in Sweden, situated in the Arjeplog municipality of Lapland, on the edge of the Scandinavian Mountains. With a maximum depth of 221 meters and a surface area of approximately 252 square kilometers, it is a major component of the Skellefte River system. The lake is renowned for its exceptionally clear and nutrient-poor water, providing good conditions for specialized fish species such as Arctic char and various types of whitefish. Geographically, Hornavan is defined by a rugged landscape featuring over 400 islands shaped by the retreat of glaciers at the end of the last ice age. Since the 1940s, the lake's water levels have been regulated for hydroelectric power generation, which has altered the natural dynamics of its ecosystem. The surrounding region has been inhabited by the Sami people for millennia and is currently a major hub for winter tourism and the automotive testing industry due to its reliable ice conditions.
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 | -12 | -11 | -8 | -2 | 5 | 11 | 14 | 12 | 7 | -1 | -7 | -10 |
| Rain mm | 56 | 44 | 44 | 45 | 74 | 92 | 134 | 113 | 84 | 68 | 62 | 64 |
📋 Practical info
Getting there
The town of Arjeplog serves as the main hub and gateway to the lake, offering various access roads to the shorelines. Boat ramps and small docks are scattered along the edge to launch watercraft into the deep waters.
Best season
Summer is spectacular for boating and fishing under the midnight sun, while the landscape is spirited. Winter is famously harsh but attracts visitors for ice driving on frozen parts and incredible ice fishing.
Terrain & paths
The shores are typically rocky and densely fringed by vast, untouched subarctic forests. Hiking around the lake involves navigating untamed nature, with only a few established trails near the main settlements.
What to bring
Specialized cold-weather gear is essential for winter, along with ice picks and safety lines. In summer, mosquito repellent is absolutely critical, alongside waterproof boots for the marshy forest edges.
Parking
There are designated parking spots near Arjeplog and around the official public boat launches. Given the vast size of the wilderness, you can often find informal pull-outs, but avoid soft, muddy ground.
Safety
The lake's extreme depth results in dangerously cold waters year-round; survival times in the water are short. The sheer size of the wilderness means help is far away, making self-reliance utterly essential.
Time needed
Taking a boat tour or a long hike will easily fill a full day or a weekend adventure. Anglers and true outdoor enthusiasts often dedicate a week or more to deeply explore this vast, isolated aquatic system.
Geography
Facts
- At 221 meters, Hornavan is officially the deepest lake in Sweden.
- The lake surface is located at 425 meters above sea level.
- The total area of the lake is approximately 252 square kilometers.
- There are approximately 400 islands and islets located within the lake.
- Water levels can fluctuate by up to 6 meters due to hydroelectric regulation.
- Arjeplog on the lake's shore is a world center for winter car testing.
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 in the town Hornavan (1)
Sights nearby
Frequently asked questions
How deep is Lake Hornavan?
With a maximum depth of 221 meters, it is the deepest lake in Sweden.
Where is the lake located?
In Arjeplog Municipality in Swedish Lapland, near the Arctic Circle.
Can you go boating on the lake?
Yes, there are excursion boats in summer, and you can rent canoes or rowboats.
What fish are in Hornavan?
The lake is famous for its large Arctic char, trout, and whitefish.
Can you see Northern Lights there?
Yes, due to its northern location, the lake is a good spot for observing the Aurora Borealis in winter.
Hornavan: where is it located?
Hornavan is located in Sweden.
Hornavan: when is the best time to visit?
The most pleasant time to visit is Jun, Aug.
Hornavan: why is it worth visiting?
Hornavan is the deepest lake in Sweden, situated in the Arjeplog municipality of Lapland, on the edge of the Scandinavian Mountains.
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