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Lake · La Roche-en-Ardenne, Luxemburgo
Lac et barrage de Nisramont
An artificial lake of about four kilometres where the western Ourthe and the eastern Ourthe meet, southeast of La Roche. The 116-metre dam supplies water to the valley; around it there are trails, viewpoints and a picnic area.
Illustrative images. The pictures in this guide are illustrations based on the real place, not photographs, and may differ from it.
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About Lac et barrage de Nisramont
Nisramont lake is located where two rivers, the western Ourthe and the eastern Ourthe, join to form the Ourthe. The dam was built there to store drinking water for the surrounding valleys and also functions as a hydroelectric plant and treatment station.
The dam is 116 metres long and 16 metres high. The lake covers about 47 hectares and stretches some four kilometres between forested slopes, with fish ladders at the dam. The name comes from the village of Nisramont above.
The area is part of the Parc naturel des Deux Ourthes. Waymarked trails circle the lake, descend to the riverbanks and climb to viewpoints over the valley. It is one of the starting points for walks through the Ardennes around La Roche.
Near the dam there are covered barbecues, picnic tables and a restaurant with a terrace facing the river and the reservoir. In summer, the lake usually hosts fishing, stand-up paddle and kayaking, depending on the water level.
Before you go
Practical information
Cidade Turismo reviews its information regularly, but something may have changed. Check with the place before planning your trip.
How much time to set aside
One hour to see the dam and the lake. Two to three hours to walk around the lake.
Best time
From spring to autumn, on dry days. In October the slopes turn yellow and red. Water activities depend on the lake's level and may be suspended in drought; check before you go.
How to get there
It is about ten kilometres by road southeast of the centre of La Roche-en-Ardenne, near the village of Nisramont. The practical access is by car, with parking next to the dam. There is no train service to it.
Tip
Bring a snack: the covered tables near the dam are suitable for a picnic even in drizzle. Wear boots or trail shoes, because the paths by the river get muddy after rain. Combine the outing with the Hérou, which is nearby upriver.
Get your questions answered
Frequently asked questions about Lac et barrage de Nisramont
What is the Nisramont dam used for?
It holds drinking water for the surrounding valleys and also functions as a hydroelectric plant and a water treatment station.
Can you swim or kayak on the lake?
In summer, the lake usually offers fishing, stand-up paddle and kayaking, but water activities can be suspended when the level drops. Check before you go.
Which rivers form the lake?
The Western Ourthe and the Eastern Ourthe, which meet there and form the Ourthe.