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Around the Nisramont reservoir near La Roche-en-Ardenne - Belgian Ardennes

Routes

Hiking trails & Routes

Around the Nisramont reservoir near La Roche-en-Ardenne - Belgian Ardennes

Moderate

4.7

(1118)

5,711

hikers

Around the Nisramont reservoir near La Roche-en-Ardenne - Belgian Ardennes

04:46

14.0km

250m

Hiking

Mysterious nature and loneliness in one of the wildest areas of Belgium await you on this hike along the idyllic reservoir of Nisramont.

You start your adventurous hike at the Barrage de Nisramont - a dam that has been damaging the Ourthe River for over 60 years. A rocky path takes you to the top and gives you the most beautiful views of the meandering river with its densely forested banks. Here, in the heart of the Ardennes, the eastern and western Ourthe flow to the lake "Le Lac de Nisramont". Now it goes steeply upwards and you climb from rock to rock from the banks of the eastern to the western Ourthe.

Narrow switchbacks take you to Point Kwai at an altitude of 275 meters. You cross a tributary of the Ourthe via a rustic wooden bridge. The riverside path along the reservoir brings you very close to the picturesque river before you end your hike at the dam.

by VISITWallonia

Last updated: March 3, 2025

Waypoints

Start point

Parking

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1.00 km

Rocky ascent with stunning views over the Ourthe

Highlight (Segment) • Viewpoint

This beautiful rocky trail with a few steep sections takes you to the top, and with gorgeous vistas!

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2.53 km

View of the Confluence of the Two Ourthes

Highlight • Viewpoint

At this point - at the Barrage de Nisramont reservoir - the western and eastern Ourthe flow together. The Ourthe Occidentale (so-called western Urt) is about 49 kilometers long and rises 506 meters above sea level near the eponymous village of Ourt in the municipality of Libramont-Chevigny. The Ourthe Orientale (so-called eastern Urt), which is around ten kilometers shorter, rises 510 meters above sea level between Ourthe, Deiffelt and Beho.

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4.36 km

Nasse de Martimbai Fish Ladder and Footbridge

Highlight • Bridge

This fish ladder is a pretty sight, between nature and human engineering.

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8.06 km

Nasse de Berbret Weir

Highlight • Structure

Here you can cross the Ourthe Occidentale above a small weir using a footbridge.
This is the only possibility for a few kilometers!

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11.9 km

Kwai Bridge

Highlight • Bridge

Beautiful wooden bridge in an idyllic valley over an Ourthe tributary at Point Kwai at 275 meters altitude.

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14.0 km

End point

Parking

Way Types & Surfaces

Way Types

11.5 km

1.38 km

398 m

381 m

227 m

143 m

Surfaces

9.12 km

2.47 km

1.44 km

783 m

143 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (350 m)

Lowest point (270 m)

Weather

Monday 20 July

21°C

8°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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Comments

August 23, 2022,Tour du lac de Nisramont

Nice walk, mostly in the shade. Alternating flat and climbs. Good for very sunny days. Afterwards, relax on the terrace of the tavern.

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December 9, 2022,Sint-Quintinuskathedraal – Kunstwerk "Paardenkracht" Rondje vanuit Diepenbeek

Beautiful walk with constant changes in level and constant view of the lake

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May 10, 2024,Rund um den Lac de Nisramont

Beautiful walk around the reservoir. Simply fantastic.

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May 7, 2022,barrage de Nisramont

Very pleasant course of 13 kilometers in the woods and paths on the outskirts or in heights not far from the water. Some portions can be dangerous if it's wet.

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October 30, 2022,2022-19-30 - am Zusammenfluss von Ourte Orientale und Ourte Occidentale

Great tour, always on the water and without touching the road

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November 11, 2022,20221111 - Lac de Nisramont (Le Lac des deux Ourthes) (14 kms)

Very nice round.
Fairly long but not difficult. Ok some passages where you can slip but you hold on to the branches...

Attention: hunters until 1 p.m. on a public holiday on part of the course!

A bit crowded from 1 p.m. (perhaps because hunting before?).

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September 23, 2023,Hiking Tour

Very tough walk, up and down all the time

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June 11, 2023,Nisramont 13.5 kms

The most beautiful of hikes, certainly very physical and technical but so sublime with magnificent landscapes. Marking red diamond 13.5 magic kms.

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December 13, 2019

Mysterious nature and loneliness in one of the wildest areas of Belgium await you on this hike along the idyllic reservoir of Nisramont.
﻿
You start your adventurous hike at the Barrage de Nisramont - a dam that has been damaging the Ourthe River for over 60 years. A rocky path takes you to the top and

Translated by Google •

June 3, 2026

We ran the loop on Saturday and it was 555 meters of altitude at the end. This should be adjusted...

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Around the Nisramont reservoir near La Roche-en-Ardenne - Belgian Ardennes

Rocky ascent with stunning views over the Ourthe

View of the Confluence of the Two Ourthes

Nasse de Martimbai Fish Ladder and Footbridge

Nasse de Berbret Weir

Kwai Bridge

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