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Top 10 Most Challenging Hikes in Europe | Not for Beginners

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So You Think You're Tough?

Good. Because these trails don’t care. Europe may be full of charming cafés, wine regions, and romantic sunsets, but here we’re talking about the most challenging hikes in Europe, so we’re heading the opposite direction—straight into wild terrain, unpredictable weather, and brutal climbs.

These hikes will chew up your boots, melt your legs, and possibly your soul. But if you’re up for the challenge (and slightly masochistic), they’ll also reward you with views that make all the pain worth it.

This isn’t just about showing off your fancy gear on Instagram. This is about raw, real, no-handrails adventure. Ready? Let’s dive in.

The Top 10 Most Challenging Hikes in Europe:

1. GR20, Corsica, France

“The Beast of the Mediterranean”

Why it's a tough Hike:

The GR20 doesn’t mess around. This 180-kilometer beast carves its way across Corsica’s rugged spine and has a reputation for chewing up even seasoned hikers. It absolutely earns its place on The Top 10 Most Challenging Hikes in Europe list. The trail? Steep, uneven, and brutally exposed. Flat ground is basically a myth. You’ll be rock-hopping, scrambling, and sweating under relentless heat while hauling a heavy pack—and dodging loose rocks like your life depends on it. Meanwhile, mountain goats will be judging your form from the sidelines. It’s beautiful, but it’s a grind.
  • Distance: ~180 km
  • Time: 12–16 days
  • Elevation Gain: ~12,000 m
  • Difficulty: 5/5 – Brutal and Unforgiving
  • What to look out for: Intense heat, exposed scrambling, rocky terrain, limited water sources

How to prepare for this tough hike:

Hit the gym. No seriously—build those legs and your back. You’ll want strength, stamina, and then some. Train on rocky terrain with a loaded pack, and get comfortable moving across sketchy ground. Learn to scramble like a pro. Do long, back-to-back hiking days to build endurance, and always be ready to carry extra water. Oh, and start practicing your zen for hut life—some of them are cozy, others feel like you’re sleeping on a slab of ancient cheese.

2. Monte Rosa Tour, Switzerland/Italy

“Alpine Eye Candy, Glacier Edition”

Why it's a tough Hike:

Circling the second-highest massif in the Alps, this trek throws you into serious mountain country. As one of the most scenic yet demanding alpine trekking routes in Europe, you’ll be hiking at altitude—often above 3,000 meters—which means thinner air, slower legs, and lungs working overtime. The stages are long, the climbs are steep, and yes, there are glaciers. Real ones. You’ll need to cross them, and the weather? It shifts fast. One minute it’s sunshine and views, the next it’s “why is my water bottle freezing?

How to prepare for this tough hike:

Train at altitude if you can. If not, go hard on endurance and leg strength. Learn how to use crampons without stabbing yourself or your hiking buddy. If you’re new to glacier travel, seriously—consider a mountaineering course. Get comfortable with cold mornings, unpredictable weather, and carrying gear that makes you look like a snow ninja. The views? Absolutely worth it. But this hike demands respect—and a solid pair of lungs.

  • Distance: ~165 km
  • Time: 9–12 days
  • Elevation Gain: ~10,000 m
  • Difficulty: 4.5/5 – High, Cold, and Serious
  • What to look out for: Glacier crossings, altitude sickness, rapid weather changes

3. Haute Route, Chamonix to Zermatt

“The Scenic Route to Suffering”

Why it's a tough Hike:

Don’t let the polished name fool you—this is no leisurely stroll through the Alps. This high-alpine trek comes packed with multiple mountain passes, snowfields, and the occasional crevasse just to keep things spicy. As one of the truly extreme hikes Europe has to offer, you’ll be trekking at altitude, often above 2,500 meters, where the air thins out and your legs start asking questions. The terrain? Unforgiving. The days? Long. The vibe? Equal parts epic and exhausting. Altitude sickness likes to make surprise cameos, too—just for fun.
  • Distance: ~200 km
  • Time: 10–14 days
  • Elevation Gain: ~14,000 m
  • Difficulty: 5/5 – High Alpine Hardcore
  • What to look out for: Glaciers, snowfields, steep climbs, unpredictable weather

How to prepare for this tough hike:

Train for long days with serious elevation gain. Strengthen your knees and core because the descents are no joke. Learn the basics of snow travel and safety—crampons, ice axe, the works. Practice packing light without sacrificing the essentials (yes, your back will thank you). And if you can acclimatize before the trek, do it. This trail doesn’t care how nice your gear looks—it wants to know if you’ve got the grit.

4. Via delle Bocchette, Dolomites, Italy

“Don’t Look Down, Just Keep Moving”

Why it's a challenging hike:

This classic via ferrata is part hike, part vertical playground, and all about nerve. You’ll be clinging to steel cables, climbing ladders bolted into sheer cliffs, and tiptoeing across ledges with thousand-meter drop-offs just casually hanging out below your boots. It’s mentally intense, physically demanding, and absolutely not the place to discover you’ve got a fear of heights. Without a doubt, this is one of those hiking trails in Europe not for beginners. One misstep and it’s a long way down—but hey, the views are incredible if you can stop sweating long enough to enjoy them.
  • Distance: ~30–50 km
  • Time: 4–5 days
  • Elevation Gain: ~3,500 m
  • Difficulty: 4.5/5 – Don’t Slip, Don’t Panic
  • What to look out for: Narrow ledges, exposed via ferrata routes, sheer drops

How to prepare for this challenging hike:

Get some via ferrata or indoor climbing experience under your belt. You’ll need solid upper body and core strength—not to mention laser focus. Train your balance; this is more precision and poise than brute force. Use proper safety gear (helmet, harness, via ferrata lanyard) and actually know how to use it. Oh, and maybe leave the fear of heights at home.

5. The Eagle Walk (Adlerweg), Austria

“Long, Lovely, and Legs of Steel Required”

Why it's a tough hike:

Stretching 320 kilometers across the Tyrolean Alps, the Eagle Walk is an absolute endurance beast. As one of the most demanding high-altitude hikes in Europe, you’ll take on steep climbs, exposed ridgelines, and high mountain passes—all while dodging sudden alpine storms that roll in like drama queens. The trail is stunning, sure, but the full route is no casual wander. It’s long, it’s wild, and your legs? They’re going to remember every single kilometer.

How to prepare for this tough hike:

Train for long-distance hikes with big elevation gains. Back-to-back hiking days are your new best friend. Build serious leg and lung power, and get savvy with trekking poles—they’ll save your knees on the descents. Learn to read mountain weather like your life depends on it, because sometimes it kinda does. Bonus points if you can yodel well enough to scare off marmots (or at least entertain your hiking crew).

  • Distance: ~320 km
  • Time: 24 stages
  • Elevation Gain: ~23,000 m
  • Difficulty: 4/5 – Long-Distance Leg Burner
  • What to look out for: Long daily climbs, rapid weather changes, remote sections

6. Skye Trail, Scotland

“Where the Trail Doesn’t Exist (But the Rain Does)”

Why it's a challenging hike:

This is a wild one—no signs, no markers, and sometimes no trail at all. The Skye Trail is as raw as it gets: bogs, cliffs, gale-force winds, and rain that comes at you sideways. As one of the toughest hiking trails Europe has to offer, it’s less about elevation and more about endurance, navigation, and sheer stubbornness. The Cuillin Ridge section? Pure magic. Also pure pain. It’s unmaintained, unforgiving, and unbelievably beautiful—if you can see through the mist.
  • Distance: ~128 km
  • Time: 7–10 days
  • Elevation Gain: ~4,800 m
  • Difficulty: 4/5 – Off-Grid and Wild
  • What to look out for: No trail markings, bogs, strong winds, challenging navigation

How to prepare for this challenging​ hike:

Master real navigation—map, compass, the works. Apps won’t save you here. Train on wet, uneven terrain, and build up your mental grit. This isn’t just about fitness—it’s about not losing your cool when your boots squelch for the fifth hour straight. Waterproof everything. Your gear, your mindset, your sense of humor. Bonus points if you manage to keep your socks dry (You won’t).

7. Trolltunga via Ferrata, Norway

“Straight Up Into the Clouds”

Why it's a challenging hike:

Forget the classic tourist shot—this route makes you earn your Trolltunga moment. The via ferrata version throws you into hours of vertical climbing before you even see the famous rock. Steel rungs, ladders, and sheer cliff faces? All part of the deal. It’s one of the best European hikes for experienced hikers, blending endurance, exposure, and mountain grit into one epic day. The weather? Whatever the Norwegian mountains feel like tossing at you. The views are next-level. So is the burn in your arms.
  • Distance: ~20 km round trip
  • Time: 10–12 hours
  • Elevation Gain: ~1,200 m
  • Difficulty: 3.5/5 – Vertical Day of Doom
  • What to look out for: Long vertical climb, steel cables, sudden weather shifts

How to prepare for this challenging​ hike:​

Build upper body and grip strength—your hands will be hanging on for dear life. Practice long, technical climbs and get used to moving efficiently on steep, exposed terrain. Don’t skip cardio either—endurance matters. And whatever you do, don’t blow all your energy on the way up. The descent is still waiting, and it doesn’t care that your legs feel like Jell-O.

8. Laugavegur + Fimmvörðuháls, Iceland

“Lava, Snow, and a Whole Lot of Wind”

Why it's a challenging hike:

Welcome to Iceland’s volcanic playground—where the trail serves up lava fields, glaciers, and thigh-deep river crossings, all wrapped in a swirling mix of snow, fog, wind, and rogue sunshine. It’s one of those advanced hiking routes Europe is quietly famous for—equal parts beauty and brutality. One minute you’re basking in a surreal lava desert, the next you’re getting slapped sideways by sleet. The landscape is jaw-dropping, but the weather changes faster than you can say “Where’s my rain jacket?”

How to prepare for this challenging hike:

Train in bad weather—seriously. Get used to hiking through wind, rain, and cold. Build solid cardiovascular endurance and practice river crossings (yes, your feet will get wet). Layer like a pro and pack gear that can handle all four seasons in one afternoon. Most of all, embrace the wild. This hike isn’t about control—it’s about keeping up with nature’s mood swings.

  • Distance: ~80 km
  • Time: 4–6 days
  • Elevation Gain: ~2,500 m
  • Difficulty: 3/5 – Weather Warrior Needed
  • What to look out for: Snow, lava fields, river crossings, constant weather changes

9. Kungsleden (North), Sweden

“Silence, Solitude, and Sore Feet”

Why it's a challenging hike:

Don’t let the stillness fool you—this Arctic trail is as punishing as it is peaceful. The northern stretch of Kungsleden winds through remote, untouched landscapes with no easy outs. It quietly ranks among the hardest hikes in Europe, not because of technical climbing, but due to its relentless solitude, self-sufficiency, and exposure to the elements. You’ll be carrying a heavy pack, crossing icy rivers, braving cold, wet weather, and dealing with long unsupported sections where your only backup is whatever you brought with you. Also: mosquitoes. Biblical amounts of mosquitoes.
  • Distance: 450 
  • Time: 10–14 days
  • Elevation Gain: ~1,800 m
  • Difficulty: 3/5 – Remote and Relentless
  • What to look out for: Isolation, river crossings, cold weather, mosquitoes

How to prepare for this challenging hike:

Train for long-distance hiking with a fully loaded pack. Get comfortable with solo trekking and decision-making in remote terrain. Prep for cold, wet conditions with moisture-resistant gear and layers that actually work. Plan your resupplies carefully—and bring bug repellent like your sanity depends on it. Bonus: a good audiobook or podcast goes a long way when you haven’t seen another human in hours (or days).

10. Rota Vicentina, Portugal

“Sunburn and Sand for Days”

Why it's a challenging hike:

Don’t be fooled by the ocean views and salty breeze—this coastal trail is a slow-burn sufferfest. You’ll be trudging through soft sand for hours, fully exposed to the relentless Portuguese sun. Water sources? Rare. Shade? Even rarer. It’s one of The Top 10 Most Challenging Hikes in Europe not because of altitude or rock scrambles, but because it grinds you down, step by sun-drenched step.

How to prepare for this challenging hike:

Train in heat and on soft, shifting terrain. Strengthen your calves and core—they’ll take the brunt of the sand shuffle. Carry more water than you think is reasonable, and invest in proper sun protection (hat, SPF, long sleeves, the whole survival-in-the-desert starter pack). It’s less “technical challenge” and more “mental marathon,” so come prepared to sweat—and keep moving.

  • Distance: ~230 km
  • Time: 2–3 weeks
  • Elevation Gain: ~3,500 m
  • Difficulty: 3/5 – Endurance in the Heat
  • What to look out for: Heat exhaustion, sand fatigue, little shade, scarce water

How to Prepare for Long-Distance challanging Hikes in general? 

Want to take on long-distance, tough hikes like these? Here’s your no-BS crash course to surviving (and maybe even enjoying) the grind:

  • Leg Day: LifeSquats, lunges, hill repeats—do them all, and then do them again. Your legs are your engine, and these trails? They don’t take it easy on them.
  • Backpack Training: Hike with weight before your trip. Get used to your pack, your straps, and the way your shoulders will cry a little at first. And if you want to avoid rookie mistakes, check out our guide on How to Pack Your Backpack Like a Pro: Comfort and Efficiency — because a badly packed bag can ruin a good trail fast.
  • Endurance, Endurance, Endurance: Start with long hikes on weekends, then stack them back-to-back. You need to know what “tired on day two” feels like before you’re five days deep with no exit in sight.
  • Weather-Proof Yourself: Rain, wind, cold, heat—train in all of it. Get comfortable being uncomfortable, because the mountains don’t care about your ideal forecast.
  • Navigation & Safety: Know how to use a map and compass without needing Wi-Fi. (Need one? This reliable hiking compass is a great place to start.) Take a basic first aid course. Most importantly: know your limits, and respect them. These hikes are incredible, but they don’t come with guardrails.

Ready to go?

If you’re nodding yes and your heart’s already on the trail—congrats, you’ve got the right spirit. These hikes are painful, wild, and absolutely worth it. They’ll humble you, challenge you, and turn you into the kind of person who hikes into a storm and comes out stronger (and probably a little muddy). Whether it’s scrambling through snow, sweating through sand, or navigating by map in sideways rain—this is where the good stuff lives.

What are the hardest hikes in Europe?

Europe’s hardest hikes include the GR20 in Corsica, the Haute Route in the Alps, and via ferrata routes like Via delle Bocchette in Italy. These trails are known for steep climbs, technical terrain, and extreme weather conditions.

How should I prepare for a challenging multi-day hike?

Build endurance, train with a loaded backpack, hike in rough terrain and bad weather, and learn basic navigation and safety skills.

Are there high-altitude hiking trails in Europe?

Yes! Several alpine routes like the Haute Route, Monte Rosa Tour, and Eagle Walk climb above 2,500–3,000 meters and require acclimatization.

What gear do I need for extreme hiking in Europe?

Depending on the trail: sturdy hiking boots, layered clothing, trekking poles, navigation tools, and in some cases, via ferrata gear or glacier equipment. Ready for pain, views, and bragging rights? If these trails light a fire in your soul (or your quads), you’re in the right place. Pack well, train smart, and remember: the toughest trails bring the biggest rewards. Enjoyy:)

Want something a little easier first? Check out our guide to the best beginner hikes in Europe.

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