Highlight (Segment) • Monument
Granasjøen Dam
Road cycling
5.0
(1)
The Granasjøen Dam is a significant man-made monument located in the Nerskogen area of Rennebu municipality, Trøndelag county, Norway. This impressive rock-fill dam, standing 55 meters high and stretching 1080 meters long, creates the artificial lake Granasjøen, which serves as a crucial regulating reservoir for the Grana power plant. The lake's water level fluctuates between 610 and 650 meters above sea level, and County Road 512 runs directly along the dam's crest, making it easily accessible and a notable landmark within the Orkla river system.
Visitors are often struck by the sheer scale of the dam, a testament to engineering that dates back to its construction in 1982. Beyond its structural grandeur, the area is cherished for its recreational opportunities. Granasjøen is a popular destination for fishing, with options to rent boats, and has also been used for windsurfing. The surrounding landscape offers magnificent views of the mountains in the Trollheimen region, providing a scenic backdrop for all activities.
Before heading out, it's helpful to know that the dam's crest forms part of County Road 512, making it a natural inclusion in scenic drives or cycling loops, particularly for those coming from the Oppdal area. The area around Granasjøen offers possibilities for camping and other accommodations, catering to those who wish to extend their stay and explore the natural beauty. While the dam itself is a robust structure, preparing for varying weather conditions typical of mountain regions is always advisable.
The warmer months are ideal for enjoying the full range of activities at Granasjøen Dam, from fishing and boating on the lake to hiking and cycling in the surrounding terrain. The dam's presence has shaped the landscape, creating a unique environment for outdoor enthusiasts. Whether you're interested in the engineering marvel or the tranquil waters, the area provides a refreshing escape.
Many hikers and cyclists enjoy incorporating the dam into longer routes. The road across the dam is a key feature of several loops, offering a unique perspective of the reservoir and the surrounding mountains. These routes provide a chance to experience the blend of human ingenuity and natural beauty that defines this part of Trøndelag.
The history of the Granasjøen Dam is as compelling as its physical presence; it was built despite significant local protests in the early 1980s, highlighting the impact of such large-scale projects. Today, the dam stands as a powerful reminder of Norway's hydroelectric ambitions, with the water it holds feeding a power station downstream via a 10-kilometer-long tunnel. The expansive views and the sense of being amidst such a monumental structure are often cited as standout moments for visitors.
To explore the diverse trails and routes around Granasjøen Dam, komoot offers a variety of options for hikers, cyclists, and trail runners. You can discover routes that traverse the dam, explore the lake's shores, or venture into the wider Nerskogen area, allowing you to tailor your visit to your preferred activity and fitness level. With numerous viewpoints and natural features, planning your adventure is easy.
Tips
September 5, 2025
Road cycling
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Nearby routes
Best routes near Granasjøen Dam
12
riders
95.4km
05:02
1,400m
1,400m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
Details
Informations
Distance 1.04 km
Uphill 0 m
Downhill 0 m
Weather
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Monday 29 June
17°C
6°C
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Frequently Asked Questions
What types of hiking trails are available around Granasjøen Dam?
The area around Granasjøen Dam offers a variety of trails suitable for different preferences. While the dam itself is part of County Road 512, making it accessible for scenic drives or cycling, there are also routes that explore the lake's shores and venture into the wider Nerskogen area. Hikers can find options ranging from easier paths to more advanced routes, often incorporating the dam into longer loops.
Are there any easy or family-friendly hiking options near Granasjøen Dam?
Yes, while specific 'easy' trails aren't detailed, the general area around Granasjøen Dam is suitable for families. The dam's crest, which is part of County Road 512, offers a flat and accessible path for a stroll with scenic views. Exploring the lake's shores can also provide gentle walking opportunities. For more detailed, family-friendly routes, it's advisable to check local trail maps or resources.
Is Granasjøen Dam suitable for dog-friendly walks?
The natural surroundings of Granasjøen Dam generally welcome dogs, making it a good spot for dog-friendly walks. As with any outdoor area, it's important to keep dogs on a leash, especially near wildlife or livestock, and to clean up after them. Always check local regulations or signage for any specific restrictions.
Where can I find parking at Granasjøen Dam?
Parking is available in the vicinity of Granasjøen Dam, as the area is designed for visitor access. Since County Road 512 runs along the dam's crest, there are likely designated parking areas nearby. However, during peak seasons, parking might fill up quickly, so arriving earlier in the day is often recommended.
Is public transport available to Granasjøen Dam?
Granasjøen Dam is located in a more rural area along County Road 512 in Nerskogen. Direct public transport options might be limited. Visitors typically reach the dam by private vehicle. It's recommended to check local bus schedules or regional transport services for the most up-to-date information on accessibility.
What are the best viewpoints or natural features to see around Granasjøen Dam?
Beyond the impressive dam structure itself, the area offers magnificent views of the mountains in the Trollheimen region. The expansive artificial lake, Granasjøen, provides a scenic backdrop, and the dam's crest offers panoramic vistas of the reservoir and surrounding landscape. Exploring the lake's shores can also lead to picturesque spots.
What are the seasonal considerations for visiting Granasjøen Dam, especially in winter?
While the warmer months are ideal for activities like fishing, boating, hiking, and cycling, Granasjøen Dam can also be visited in winter. However, winter conditions in mountain regions can be challenging, with snow and ice affecting road access and trail conditions. Winter activities might include cross-country skiing or snowshoeing, but visitors should be prepared for cold weather and potentially limited services. Always check local weather and road conditions before a winter visit.
Are there any cafes, pubs, or accommodation options near Granasjøen Dam?
The area around Granasjøen Dam, particularly in Nerskogen, offers possibilities for camping and other accommodations, catering to those who wish to extend their stay. While specific cafes or pubs directly at the dam might be limited, nearby villages or towns would offer dining options. It's advisable to research local amenities in advance, especially during off-peak seasons.
What is the history behind the construction of Granasjøen Dam?
The Granasjøen Dam was constructed in 1982 as part of the extensive development of the Orkla and Grana river systems for hydroelectric power. Its construction was met with considerable local and environmental opposition before and after its approval in 1978. Protests stemmed from concerns about nature conservation and the impact on local agriculture, as the damming led to the inundation of a cultivated agricultural area and submerged numerous farm buildings and cabins. Despite the protests, it became a crucial part of the Grana power plant.
Can I fish in Granasjøen, and do I need a permit?
Yes, Granasjøen is a popular fishing destination. Opportunities to rent boats and fishing gear are available locally. It is highly likely that a fishing permit or license is required to fish in the lake, as is common practice in Norway for regulated fishing waters. Visitors should inquire locally or check with relevant authorities for permit requirements before fishing.