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Belgium🇧🇪 | hikesGR 57 TrailOurthe valley, river cliffs, medieval villages | things to do and best time to go

Explore GR 129 TrailExplore Semois Valley Trail

Backpacking in GR 57 Trail
👍 Recommendedhike ranked #5
By Johan Kruseman 🇳🇱 | Updated June 16, 2026

Most people hear “GR 57” and picture a flat, tame Belgian ramble; that’s wrong. This trail bites back. The GR 57 runs through eastern Belgium, roughly shadowing the Meuse and Ourthe valleys between the Liège area and the Luxembourg border, and it feels far wilder than its postcode suggests. You get steep, rooty climbs out of river gorges, long balcony paths above the water, and quiet forest sections where you mostly hear your own breathing. It’s long enough to be a real project, but you can break it into weekend chunks thanks to easy train access to hubs like Liège and Gouvy. Compared with classics like the GR 5 or the Escapardenne, the GR 57 is less polished, less waymarked in spots, and sometimes muddy and overgrown, but that roughness is exactly what makes the first beer in a tiny Ardennes village taste earned.

Discover everything you want to know in the 📖 Belgium Travel Guide.
Best time to go: April - October
Duration: 10 days
Distance: 200 kilometers
Total ascent: 3,200 meters


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✨ Why go?
Ranked #5 hike in BelgiumWhat sets this place apart

The GR 57 Trail in Belgium is a magnet for backpackers craving a mix of challenge and reward. Picture this: you’re trudging through lush forests, the earthy scent of moss filling the air, and suddenly, you crest a hill to find a breathtaking panorama of rolling hills and quaint villages. The scenery-to-effort ratio here is unbeatable; you’ll sweat, but the views make every drop worth it.

Access is a breeze with public transport links that drop you right at the trailhead. You can hop on a train, and before you know it, you’re on the path. Plus, it’s low-cost—no pricey permits or entrance fees.

The trail offers flexible distances, so whether you want a quick day hike or a multi-day trek, you can tailor your adventure. It fits seamlessly into a longer backpacking route, making it a perfect … read more 👉
The GR 57 Trail in Belgium is a magnet for backpackers craving a mix of challenge and reward. Picture this: you’re trudging through lush forests, the earthy scent of moss filling the air, and suddenly, you crest a hill to find a breathtaking panorama of rolling hills and quaint villages. The scenery-to-effort ratio here is unbeatable; you’ll sweat, but the views make every drop worth it.

Access is a breeze with public transport links that drop you right at the trailhead. You can hop on a train, and before you know it, you’re on the path. Plus, it’s low-cost—no pricey permits or entrance fees.

The trail offers flexible distances, so whether you want a quick day hike or a multi-day trek, you can tailor your adventure. It fits seamlessly into a longer backpacking route, making it a perfect pit stop. Each step is a step into the heart of Belgium, where the journey itself is as rewarding as the destination.
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💡 HighlightsThe experiences that define the visit

  1. Bouillon Castle and the Semois meanders — A medieval fortress perched on a rocky spur with sweeping views over the Semois’ slow, snaking loops. It’s pure Ardenne drama: ruins, stone staircases, and one of the best vantage points for the river’s postcard-worthy bends and golden-hour light.
  2. La Roche-en-Ardenne viewpoint and castle rock — A compact town squeezed into a steep valley, topped by a ruined keep that gives a real “you’re in the middle of the valley” perspective. The view down to the river and the surrounding beech forests is instant relaxation for tired legs and great for spotting roe deer at dusk.
  3. Ninglinspo gorge and mountain stream — A short, playful detour where the trail follows Belgium’s most scenic little mountain stream: stepping stones, tiny waterfalls and sculpted rock
… read more 👉
  1. Bouillon Castle and the Semois meanders — A medieval fortress perched on a rocky spur with sweeping views over the Semois’ slow, snaking loops. It’s pure Ardenne drama: ruins, stone staircases, and one of the best vantage points for the river’s postcard-worthy bends and golden-hour light.
  2. La Roche-en-Ardenne viewpoint and castle rock — A compact town squeezed into a steep valley, topped by a ruined keep that gives a real “you’re in the middle of the valley” perspective. The view down to the river and the surrounding beech forests is instant relaxation for tired legs and great for spotting roe deer at dusk.
  3. Ninglinspo gorge and mountain stream — A short, playful detour where the trail follows Belgium’s most scenic little mountain stream: stepping stones, tiny waterfalls and sculpted rock pools. It feels alpine on a micro scale and is perfect for cooling off or light scrambling.
  4. Hautes-Fagnes peat moors — Big, open boglands with boardwalks and a very different vibe from the closed-canopy Ardenne woods. The landscape is oddly wild for Belgium: haunting horizons, rare heathland plants and birds, and a winter-white mood that makes the hike feel more remote than it actually is.
  5. Famenne/Calestienne limestone ridges and karst features — Stretch of sharp cliffs, little sinkholes and exposed limestone where the geology steals the show. Expect dramatic rock faces, panoramic ridgelines and a chance to see interesting flora clinging to the rocks — a real contrast to the soft valleys below.
Spotted a mistake or missing something? Contact us.

Things to do near GR 57 Trail

Private Beer Bike Tour in Rochefort in the Belgian Ardennes

Private Beer Bike Tour in Rochefort in the Belgian Ardennes

4.9(53) 1h 30m
✓ Free cancellation
From €40
per personViator
Liege Walking Tours

Liege Walking Tours

4.6(52) 2h
✓ Free cancellation
From €5
per personViator
The Battle of the Bulge Experience - A day tour from Brussels

The Battle of the Bulge Experience - A day tour from Brussels

4.9(37) 12h
✓ Free cancellation
From €1,100
per personViator
Premium beer bike with drinks and entertainment in Rochefort

Premium beer bike with drinks and entertainment in Rochefort

5.0(26) 1h 30m
✓ Free cancellation
From €48
per personViator
Discover Dinant while playing! Escape game - The alchemist

Discover Dinant while playing! Escape game - The alchemist

4.6(16) 2h
✓ Free cancellation
From €19.99
per personViator
e-Scavenger hunt Liège: Explore the city at your own pace

e-Scavenger hunt Liège: Explore the city at your own pace

3.8(16) 3h
✓ Free cancellation
From €25
per personViator
Discover Durbuy by playing! Escape game - The alchemist

Discover Durbuy by playing! Escape game - The alchemist

3.7(14) 2h
✓ Free cancellation
From €20
per personViator
Liege Scavenger Hunt & Highlights Self-Guided Walking Tour

Liege Scavenger Hunt & Highlights Self-Guided Walking Tour

3.9(11) 2h
✓ Free cancellation
From €6.99
per personViator
Discover Liège while playing! Escape game - The Walter case

Discover Liège while playing! Escape game - The Walter case

4.3(6) 2h 30m
✓ Free cancellation
From €19.99
per personViator
Children's escape game in the city of Durbuy Marsupilami

Children's escape game in the city of Durbuy Marsupilami

4.3(4) 1h 30m
✓ Free cancellation
From €19.99
per personViator

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🌤️ When to go?Choosing the right time of year


  • Weather: Spring and early autumn offer the best balance—mild rains keep the forests lush without turning trails into mud traps. Summer can scorch with highs around 25-28°C (77-82°F), making midday pushes tough.

  • Temperature: Late May through September sees daytime temps from 15-25°C (59-77°F), perfect for long days on foot. Winters dip below freezing, often freezing the trail and sapping energy.

  • Daylight Hours: Peak daylight stretches from late May to August, giving you up to 16 hours to chase the trail’s twists and turns. Outside this window, shorter days force earlier stops and slower pacing.

  • Crowds: July and August bring local hikers and weekend warriors, especially on popular sections. Early June and September offer quieter paths, letting you own the forest’s soundtrack.

  • Seasonal
… read more 👉

  • Weather: Spring and early autumn offer the best balance—mild rains keep the forests lush without turning trails into mud traps. Summer can scorch with highs around 25-28°C (77-82°F), making midday pushes tough.

  • Temperature: Late May through September sees daytime temps from 15-25°C (59-77°F), perfect for long days on foot. Winters dip below freezing, often freezing the trail and sapping energy.

  • Daylight Hours: Peak daylight stretches from late May to August, giving you up to 16 hours to chase the trail’s twists and turns. Outside this window, shorter days force earlier stops and slower pacing.

  • Crowds: July and August bring local hikers and weekend warriors, especially on popular sections. Early June and September offer quieter paths, letting you own the forest’s soundtrack.

  • Seasonal Activities: Autumn paints the Ardennes in fiery reds and golds, a visual payoff for the cooler air and fewer hikers. Spring bursts with wildflowers and fresh greenery, energizing every step.

  • Price Fluctuations: Accommodation and transport costs peak in summer. Booking in shoulder seasons like May or September can save you a chunk without sacrificing trail conditions.


Pro-tip: Start your hike early in the shoulder seasons to catch crisp mornings and empty trails—there’s nothing like the quiet crunch of leaves underfoot before the world wakes up.


source: climatestotravel.comJANJanuary: below average for travelingFEBFebruary: below average for travelingMARMarch: fair for travelingAPRApril: highly recommended for travelingMAYMay: excellent for travelingJUNJune: highly recommended for travelingJULJuly: good for travelingAUGAugust: good for travelingSEPSeptember: excellent for travelingOCTOctober: highly recommended for travelingNOVNovember: fair for travelingDECDecember: below average for traveling
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🛏️ Where to stay?Best areas and accommodation options

If you enjoy meeting fellow travelers, consider choosing hostels with high ratings for atmosphere. On the other hand, if you prefer having your own space, a hotel might be a better option.

Best hostels in Belgium


Best quality hotels in Belgium

🥾 Hike detailsA practical overview of the hike

Total Distance: Approximately 200 kilometers, stretching through the picturesque Ardennes region of Belgium.

Estimated Duration: Typically takes around 10 to 12 days to complete, depending on your pace and how many breaks you take to soak in the scenery.

Difficulty Level: Moderate to challenging. While there are some steep sections, most of the trail is manageable for hikers with a decent level of fitness.

Starting Point: The trail begins in the town of Bouillon.
  • Public Transport: You can reach Bouillon by taking a train to Charleville-Mézières in France and then a bus to Bouillon. Alternatively,
… read more 👉
Total Distance: Approximately 200 kilometers, stretching through the picturesque Ardennes region of Belgium.

Estimated Duration: Typically takes around 10 to 12 days to complete, depending on your pace and how many breaks you take to soak in the scenery.

Difficulty Level: Moderate to challenging. While there are some steep sections, most of the trail is manageable for hikers with a decent level of fitness.

Starting Point: The trail begins in the town of Bouillon.
  • Public Transport: You can reach Bouillon by taking a train to Charleville-Mézières in France and then a bus to Bouillon. Alternatively, there are direct buses from major Belgian cities like Namur.

Major Landmarks Along the Route:
  • Bouillon Castle: A stunning medieval fortress that offers panoramic views of the Semois River valley.
  • Lesse River: Beautiful spots along the river for a quick dip or a picnic.
  • Saint-Hubert: Known for its basilica and as a center for hunting traditions.
  • La Roche-en-Ardenne: A charming town with a castle ruin and lots of local eateries.

Type of Terrain and Scenery: Expect a mix of well-marked paths, rocky trails, and some forested areas. The scenery is breathtaking, with rolling hills, dense woodlands, and serene rivers. You’ll also pass through quaint villages that give you a taste of local life.

Typical Vegetation and Wildlife:
  • Vegetation: The trail is lined with beech and oak trees, along with patches of wildflowers in spring.
  • Wildlife: Keep your eyes peeled for deer, foxes, and a variety of bird species, including buzzards and woodpeckers.

This trail is perfect for those looking to disconnect and enjoy some of Belgium’s best natural beauty without breaking the bank. Just make sure to pack enough snacks and water, as some stretches can feel a bit remote!
⚠️ Hiking info can sometimes be outdated or inaccurate. Before you hit the trail, check the latest conditions with locals. If you do spot anything that's off, I'd love to hear from you, so I can update it for fellow travelers.

🛡️ SafetyStaying Safe: What Travelers Should Know

The GR 57 Trail in Belgium offers a delightful mix of challenge and reward, but it’s essential to be prepared for what lies ahead. The weather can shift quickly. One moment, you’re basking in sunshine; the next, clouds roll in, and rain pours down. Layer your clothing. A breathable base layer, a warm mid-layer, and a waterproof shell will keep you comfortable. Check forecasts before you head out, but be ready for surprises.

The terrain is mostly forgiving, with well-marked paths winding through lush forests and charming villages. However, there are sections that steepen, especially as you navigate the hills. Footing can be tricky on loose gravel or wet roots, so keep your eyes on the trail. Trekking poles can be a game-changer here, providing stability and reducing strain on your knees during … read more 👉
The GR 57 Trail in Belgium offers a delightful mix of challenge and reward, but it’s essential to be prepared for what lies ahead. The weather can shift quickly. One moment, you’re basking in sunshine; the next, clouds roll in, and rain pours down. Layer your clothing. A breathable base layer, a warm mid-layer, and a waterproof shell will keep you comfortable. Check forecasts before you head out, but be ready for surprises.

The terrain is mostly forgiving, with well-marked paths winding through lush forests and charming villages. However, there are sections that steepen, especially as you navigate the hills. Footing can be tricky on loose gravel or wet roots, so keep your eyes on the trail. Trekking poles can be a game-changer here, providing stability and reducing strain on your knees during descents.

Wildlife encounters are rare but not impossible. You might spot deer or the occasional fox, but they tend to keep their distance. If you do see wildlife, maintain a respectful distance. Don’t feed them; it disrupts their natural behavior and can lead to unwanted encounters.

Timing your hike is crucial. Early mornings are quieter, and the light is perfect for those Instagram-worthy shots. Plus, you’ll have the trails mostly to yourself. As you trek, remember to practice trail etiquette: yield to those going uphill, and keep noise to a minimum to soak in the sounds of nature.

Pack snacks and plenty of water. The trail can be long, and you’ll want to fuel up for the journey. A cold beer at the end? Absolutely worth it. Find a local café or a scenic spot to unwind and reflect on your adventure. The GR 57 Trail rewards those who embrace its challenges with stunning views and a sense of accomplishment. Enjoy every step.
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We 💚 feedbackIs it worth it?

The GR 57 Trail in Belgium is a feast for the senses. Picture yourself crunching through leaves, the air thick with earthy scents, and the sound of a distant stream guiding your steps. But be ready for the mud—after rain, it can turn into a slippery challenge. Still, that first view from the ridge, where the landscape unfolds like a living painting, makes every step worth it. Embrace the grit; it’s part of the adventure.

✈️ When did I visit Belgium?
Belgium being my neighbour country, I have visited it many times, mainly for weekend city trips.

✍️ Help improve this page!
The information on this page is based on my own backpacking experience in Belgium, supplemented with up-to-date research and feedback from other travelers. Travel details can change, so if you notice anything outdated or incomplete, feel free to let me know.



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👋 Meet the founderWho’s Behind Take Your Backpack?

Johan, backpacker and founder of TakeYourBackpackHi, I’m Johan (Netherlands 🇳🇱), the creator of TakeYourBackpack. Over the past decade, I’ve backpacked through 80+ countries across six continents, gaining extensive experience with independent travel, long-term trips, and overland routes.

This site is built on a combination of firsthand travel experience and carefully curated insights from other backpackers. Many guides are based on places I’ve personally visited, while others bring together tips, observations, and practical advice shared by trusted travelers I’ve met along the way.

The goal is to provide realistic, experience-driven guidance — not generic itineraries — so you can explore destinations with better context, clearer expectations, and more confidence.

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