GR 57 (Ourthe Valley Trail)
GR 57 Ourthe Valley Trail: Complete Guide to Belgium’s Scenic Long-Distance Hike
Embark on a breathtaking adventure along the GR 57 (Ourthe Valley Trail), one of Belgium’s most iconic long-distance hiking routes. This scenic trail winds through the enchanting landscapes of the Ardennes, following the meandering Ourthe River as it carves its way past lush forests, dramatic rocky outcrops, and charming historic villages. Hikers are treated to panoramic hilltop views, tranquil riverbanks, and a patchwork of green valleys dotted with wildflowers, creating an immersive experience in nature’s heart.
From the vibrant wildlife of peaceful woodlands to the echoes of ancient castles perched above the river, every step along the GR 57 unveils a new facet of Belgium’s natural beauty. Whether you’re drawn by the serenity of quiet trails or the promise of discovery in welcoming towns and rustic countryside, this trail offers an unforgettable journey for those eager to explore the best of the Ardennes.
Route Overview
The GR 57 (Ourthe Valley Trail) is a point-to-point long-distance hiking route spanning approximately 265 kilometers from Barchon, near Liège in northern Belgium, to Diekirch in Luxembourg. The trail follows the valleys of the Ourthe and Sûre rivers, passing through notable towns and villages such as Liège, Esneux, La Roche-en-Ardenne, Hotton, Durbuy, Houffalize, and Clervaux. Each section presents a mix of riverside walking, forest paths, and ascents to panoramic viewpoints.
The typical duration for completing the full trail is about 10 days, though this depends on individual pace and chosen segment distances. Trail surfaces primarily consist of dirt, gravel, and rocky paths, with some sections passing through rural roads or alongside farmland. Accommodation options like hotels, hostels, campsites, and occasional wild camping spots are available directly on or near the route, allowing for flexibility in planning overnight stops.
While the route is generally well-marked with the standard red-and-white GR blazes, navigation aids such as maps or GPS are recommended, especially in more remote sections. Hikers should be prepared for continual elevation changes, moderate daily distances, and occasional muddy or slippery path conditions, particularly after rainfall. Restrooms, water sources, and picnic areas can be found in larger villages or at designated campsites along the trail, aiding resupply and rest opportunities.
Historical Context of the GR 57 Ourthe Valley Trail
The GR 57 Ourthe Valley Trail traces a corridor rich in history, weaving through regions that have witnessed centuries of human activity. The valley itself has served as a natural passageway since pre-Roman times, with evidence of ancient settlements, trade routes, and fortifications visible in the landscape. Medieval castles such as La Roche-en-Ardenne and Durbuy are prominent reminders of the area’s strategic importance, rising above the river and once serving as defensive strongholds and centers of regional power.
During the tumultuous events of the 20th century, these forests and valleys played a significant role in both World Wars. The Ardennes region, including areas along the GR 57, was a key stage for military campaigns, particularly the Battle of the Bulge in World War II. Many trailside villages have war memorials and preserved bunkers, bearing silent witness to these historic events. Today, as you hike the GR 57, you walk in the footsteps of countless generations, experiencing a living tapestry of the Ardennes’ storied past.
Notable highlights
La Roche-en-Ardenne: Nestled along the banks of the Ourthe River, this picturesque town is crowned by the ruins of a medieval castle that offers panoramic views of the valley. Its cobbled streets, museums, and war memorials make it a cultural hub along the trail.
Durbuy: Renowned as the “smallest city in the world,” Durbuy is famous for its enchanting old town, winding alleys, and vibrant culinary scene. The topiary park and stunning stone architecture make it a must-visit stopover.
Hotton Caves (Grottes de Hotton): Hidden beneath the lush forests, these impressive limestone caves feature dramatic stalactites, underground rivers, and guided tours that reveal the region’s geological history.
Marcourt: A charming Ardennes village with a beautifully preserved Romanesque church, scenic viewpoints, and tranquil riverside spots ideal for rest or a picnic.
Ninglinspo Valley: Widely considered one of Belgium’s most beautiful hiking stretches, this tributary valley offers crystal-clear streams, mossy boulders, and enchanting woodlands, presenting a fairytale landscape for hikers.
Pont de Belle-Meuse: An iconic stone bridge crossing the Ourthe, offering lovely photo opportunities and a tranquil spot to pause by the riverbanks.
Esneux and Surrounding Cliffs: The trail passes dramatic rocky cliffs near Esneux, providing exhilarating viewpoints over the winding river far below and a unique geological backdrop.
Wildlife and Flora: Throughout the hike, the route traverses dense forests and open meadows, home to deer, foxes, and a diverse array of birdlife and wildflowers, enhancing the natural beauty of the journey.
Challenges to expect
While the GR 57 is generally considered moderate, hikers should be prepared for frequent elevation changes, especially in the hilly Ardennes stretches. Sections near La Roche-en-Ardenne and the Ninglinspo Valley involve steep ascents and descents, with uneven, rocky terrain that can become slippery after rain. These areas require good footwear and sure-footedness, particularly for those carrying heavy packs.
Weather in the region can be unpredictable, even during peak hiking seasons. Rain is common and can make dirt paths muddy and riverbanks prone to occasional flooding. Hikers should bring waterproof gear and be prepared for rapid changes in temperature, especially in the spring and autumn. Dense forest areas may also limit sunlight and cause trails to remain damp.
Although the GR 57 is generally well-marked with red-and-white waymarks, navigation can occasionally be challenging where waymarks are faded or at junctions with smaller local trails. Carrying updated maps, a GPS device, or a trusted hiking app can help prevent wrong turns, especially in remote or wooded stretches.
Belgium - Forest
- Dirt
- Gravel
- Rocky
- Hotels
- Campsites
- Hostels
- Wild camping spots
- Family Friendly
- Pet Friendly
- Restrooms
- Water Sources
- Campsites
- Picnic Areas
Begin your journey at Barchon, following the trail southwards along rural paths and rolling farmland towards Liège. The route offers gentle terrain interspersed with wooded sections and passes several small villages before entering the outskirts of Liège, a vibrant city known for its riverside setting and cultural heritage.
Departing Liège, the trail hugs the Ourthe River and soon escapes into lush woodland and scenic outcrops. You’ll pass through the charming town of Tilff and ascend towards Esneux, a delightful stop with quaint architecture and prominent river views. Forested hills, rocky bluffs, and quiet countryside dominate this section.
Continue along the Ourthe Valley, enjoying a combination of wooded riverside paths and short climbs that reveal striking panoramic views of the Ardennes landscape. The route follows the river to Comblain-au-Pont, a town renowned for its karst formations and bat caves, making for fascinating natural scenery en route.
This section weaves through evocative woodland and rugged riverbanks toward Belgium’s famed ‘smallest city’, Durbuy. Expect a mix of gentle and moderate gradients, serene forest stretches, and occasional open meadows. Durbuy’s medieval core provides picturesque scenery and a variety of places to rest and resupply.
Leave Durbuy following the river’s bends as the landscape transitions into broader valleys. You’ll cross tranquil woodlands and cross small villages before reaching Hotton, known for its spectacular limestone caves and opportunities to visit underground river passages. The route is varied in both terrain and scenery throughout the day.
Follow the winding path along the Ourthe to reach one of the trail’s highlights, La Roche-en-Ardenne. The way is marked by a series of forested ridges, hidden streams, and sweeping valley views. Arriving in La Roche offers the chance to explore the impressive castle ruins and enjoy local cuisine.
From La Roche, ascend steep river valleys and traverse dense woodland as you progress towards Houffalize, a town set in a peaceful, forested landscape. This section features more significant climbs and descents, with secluded stretches and beautiful rural vistas. The area is noted for its natural tranquillity.
Venture deeper into Ardennes woodland, following smaller rivers and remote tracks to Gouvy. The day’s journey alternates between narrow forest paths, open farmland, and small hamlets that provide a sense of isolation and rugged natural beauty, ideal for nature lovers and those seeking solitude.
Crossing into Luxembourg, the trail continues through forested hills and undulating countryside toward the town of Clervaux, renowned for its castle and Benedictine abbey. This section highlights changes in landscape and architecture as you leave Belgian territory, offering both historical and scenic interest.
The final stage winds south through Luxembourg’s rolling countryside, passing fields, forests, and traditional villages, before descending into the riverside town of Diekirch. Celebrate the end of the GR 57 by exploring Diekirch’s historic center and enjoying its welcoming local amenities.