Which hike has the higher HikeMetrics Intensity Score?

Le GR20 has the higher HikeMetrics Intensity Score (100/100 vs 98/100).

Head-to-head match-up

Le GR20 vs Huayhuash CircuitWhich Hike is Harder?

100/100

Route A

Le GR20

france

98/100

Route B

Huayhuash Circuit

peru

Quick Verdict

Which hike is harder?

The planning question most people actually need: is either route too hard—or too remote—for your skills and rescue margin right now?

Le GR20 is slightly harder overall (100 vs 98 on our intensity index) because it has steeper, more technical terrain and footing. However, Huayhuash Circuit may still feel more demanding if you struggle with repeated steep days, slick footing, or carrying fatigue across consecutive stages.

Mission Context

Harder: Le GR20
More technical terrain (modeled footing & obstacles): Le GR20
Weather exposure is similarly serious—compare wind profile versus consequence profile in the reality grid.
More remote / harder to exit quickly: Huayhuash Circuit
Same hazard tier does not mean the same risk style: Le GR20 and Huayhuash Circuit concentrate consequences in different ways (terrain, weather, and decision pressure).
Similar audience tier—pick on environment and logistics, not badge climbing.

Compare with another route

Key difference

Le GR20 loads more into technical footing and terrain seriousness. Huayhuash Circuit shifts more emphasis toward steadier pacing, less technical daily movement, and lower-consequence logistics within this pairing. On our composite index, Le GR20 still reads as the heavier overall commitment in this pairing.

Planning snapshot

Elevation context, daily rhythm, and footing—how the two profiles diverge in practice.

Category	Le GR20	Huayhuash Circuit
Elevation context & weather feel	~2604 m — serious mountain-weather exposure: mist, cold, and hypothermia can escalate quickly when you move from sheltered forest into alpine ridge wind—wind chill and sudden cloud matter more than the height number alone.	~5050 m — serious mountain-weather exposure: mist, cold, and hypothermia can escalate quickly when you move from sheltered forest into alpine ridge wind—wind chill and sudden cloud matter more than the height number alone.
Daily rhythm & commitment	Multi-day — confirm how fixed overnight stops are before assuming you can improvise stages.	Multi-day — confirm how fixed overnight stops are before assuming you can improvise stages.
Navigation read	Red-white GR blazes on much of the route; northern granite sections need confident scrambling and route-finding in cloud.	See dossier navigation notes.
Typical footing	Rough tread dominates—technical ~95/100 in our model reflects that underfoot grind.	Rough tread dominates—technical ~64/100 in our model reflects that underfoot grind.

Huayhuash

Good fit

Ground Truth	Le GR20	Huayhuash Circuit
Hazard & consequences	extreme summer heat and storms: Corsica in July and August is punishingly hot, yet the high mountains generate sudden, sustained afternoon thunderstorms with frequent lightning. technical granite scrambling: The northern stages (especially around the Monte Cinto bypass) feature highly exposed scrambling on bare rock that becomes remarkably slick when wet. Extreme heat, afternoon lightning, and slick granite when wet—start before dawn; do not climb technical stages in rain. The GR20 is the ultimate benchmark for European trekking, traversing the rugged 'Mountain in the Sea' over 15 demanding days. The northern section is famously technical, featuring sustained scrambling and chain-assisted passages through high-altitude granite cirques. Key highlights include the crossing under Monte Cinto (2,706m), the highest peak in Corsica, and the iconic needles of l'Aiguilles de Bavella. Logistically intense, the trail requires staying at or camping near official PNRC refuges like Asco, Petra Piana, and Manganu.	sustained high altitude: The trek stays almost entirely above 4,000m, with daily passes around 5,000m. extreme isolation: If you are injured, help is days away and helicopter rescues are difficult at these altitudes. Altitude Warning: Potential altitude-related conditions include AMS, HAPE, and HACE. Adequate acclimatization is essential.
Navigation & route	Red-white GR blazes on much of the route; northern granite sections need confident scrambling and route-finding in cloud.	Active navigation each day: confirm waymarks, map, and bailout points before you lose light or visibility.
Weather exposure	The southern half transition into slightly lower, forested terrain but remains a physical challenge due to the intense Mediterranean heat and rocky paths.	Mountain or forest weather: mist, cold snaps, and rain that turns footing slick—budget slower days after wet spells.
Access & resupply	Resupply & water: Refuges sell bottled water and beer priced for a captive audience	Resupply & water: Llamac / Huayllapa Access & services: Access from Huaraz. Take a public bus or private shuttle to the village of Pocpa or Llamac (approx 4 hours drive).
Comms & reach	Coverage: Poor — Signal is highly sporadic inside the deep granite cirques. Helicopter rescue (PGHM) is frequently required for injured hikers. Evacuation routes are limited in remote sections, so safety planning is essential.	Coverage: Zero — Search and Rescue (SAR) is limited and weather-dependent. Helicopter evacuation is subject to clear visibility and environmental safety thresholds.

A day on the trail

One vibe line plus three bullets per route—enough to sanity-check pacing without re-reading the full dossier.

Le GR20

Feels like mountain journeying where exposure, weather windows, and vertical pacing matter more than the flat map distance.

Modeled average: about 10–14 km per indexed calendar day (your stages can land above or below that band).
Walking-time hint from the dossier: 6–8 where hours are specified alongside days.
If you sit in that walking-hour band, implied pace is about 1.7 km per walking hour on an average day—compare routes on this, not on “eight hours is eight hours.”

Huayhuash Circuit

Feels like mountain journeying where exposure, weather windows, and vertical pacing matter more than the flat map distance.

Friction dominates pace: boulders, moraines, or river work can make short map distances feel like very long days.
Modeled average: about 11–16 km per indexed calendar day (your stages can land above or below that band).
Walking-time hint from the dossier: 6–8 where hours are specified alongside days.

Terrain Differences

Le GR20: The GR20 is widely regarded as the most demanding long-distance trail in Europe. Stretching 180km along the jagged mountain spine of Corsica, it is a high-altitude odyssey between Calenzana in the north and Conca in the south. The Cirque de la Solitude & The Scrambling. The 'X-Factor' is the sheer technicality of the terrain.

Huayhuash Circuit: The elite Andes experience. The Huayhuash Circuit is a legendary 130km (80 mile) high-altitude trek and is consistently ranked as one of the best treks in the world. The Siula Pass View and the Verticality. The 'X-Factor' of Huayhuash is the sheer verticality of the peaks rising directly from the turquoise lakes below.

Final verdict

Final verdict: for most hikers comparing these two trails, Le GR20 is the tougher overall commitment in this pair; Huayhuash Circuit is the more approachable option.

Choose Le GR20 if you prefer technical, leg-burning terrain; choose Huayhuash Circuit for a different balance of distance and recovery.

Plan & prepare your hike

Next step: explore the full route guide

Once you have chosen your route, open the full guide to review key logistics, gear, and preparation tips—then use the Plan This Hike section to organize your trip.

Each guide includes route context, practical preparation advice, and curated resources to help you plan your hike.

Open guide · Le GR20 Open guide · Huayhuash Circuit

Who should choose which route?

Choose Le GR20 if you:

You prioritize vertical gain and sustained gradient.
You can sustain multi-day load and recovery pressure across a long multi-day traverse (often more than a week).
Our dossier tags audience around “Expert”—validate against your own experience.

Choose Huayhuash Circuit if you:

You prefer the lighter logistical load while still getting a credible experience.
You want a clearer time box with fewer consecutive hard days.
You are building endurance before tackling bigger expedition-style routes.

Do not choose if…

Hard filters derived from remoteness, hazard tier, risks, and dossier audience tags—not polite suggestions.

Le GR20

Not ideal without alpine scrambling experience, if you cannot pre-book every PNRC refuge night, or if you carry a heavy pack on chain sections.
Do not choose Le GR20 if you are not already an expert-level wilderness traveler with relevant comparable trips behind you.
Do not choose if you cannot tolerate long stretches without services, reliable comms, or fast exit options.
Do not choose if you cannot accept that mistakes here may carry severe or fatal consequences.

Huayhuash Circuit

Do not choose Huayhuash Circuit if you are not already an expert-level wilderness traveler with relevant comparable trips behind you.
Do not choose if you cannot tolerate long stretches without services, reliable comms, or fast exit options.
Do not choose if you cannot accept that mistakes here may carry severe or fatal consequences.
Do not choose without a satellite communicator and a practiced emergency plan.

Keep browsing

Compare these hikes with others

Le GR20

Huayhuash Circuit

Explore by difficulty

Jump to intensity buckets to find easier or harder routes than this pair on our index.

Metrics engine

Head-to-head performance variables computation.

Intensity Score

Route A — Higher Demand

100

Physical Load

Route B — More Taxing

Technical

Route A — More Technical

Distance

Route A — Longer

180 km

130 km

Elevation Gain

Route A — More vertical

12,000 m

8,500 m

Vertical density

Route A — More climb per km

~67 m/km

~65 m/km

Implied walking pace

Route A — Slower modeled pace

~1.7 km/h

~1.9 km/h

Highest Point

Route B — Higher summit

2,604 m

5,050 m

Duration

Route A — Longer commitment

15 days

10 days

Hazard Level

LETHAL // NO-MARGIN (5/5)

Reading the metrics

Technical score reflects terrain complexity in the model (footing, obstacles, sustained steepness), not perceived exposure or tourist-style edge risk.

Technical score bands (0–100)

0–20 — Defined tread, few modeled obstacles—mostly hiking pace variance.
21–40 — Rougher path: loose stone, roots, mud, or slower footing.
41–60 — Steep or uneven moves; hands-on moves possible in places.
61–80 — Strong route-finding signals and/or sustained exposure in the dossier mix.
81–100 — High-consequence expedition or Arctic/wilderness terrain seriousness in the model.

Hazard level — what the labels mean

LOW // ACCESS (1/5)Bumps and bruises territory; help is usually close if you carry a phone.Low access friction for prepared walkers; slips still hurt, but margins are wide.
STANDARD // TRAIL (2/5)Injury possible; rescue is typically reachable in reasonable time when you call early.Standard trail stakes: weather, footing, and fatigue drive most incidents.
MODERATE // CHALLENGING (3/5)Serious harm is plausible—self-rescue skill and solid judgment matter as much as fitness.A bad decision or a fall can turn serious; self-rescue and navigation skills matter.
SERIOUS // HIGH CONSEQUENCE (4/5)Outcomes can be severe; professional rescue may be slow, limited, or weather-gated.Serious, high-consequence terrain; injuries can be severe and help may be slow.
LETHAL // NO-MARGIN (5/5)Mistakes can be fatal; rescue is uncertain, delayed, or impossible until conditions allow.Mistakes can be fatal; rescue is not guaranteed and is often weather- or logistics-gated.

Ascent

7,155 m

Ready to lock in a mission?

Dossier: Le Dossier: Huayhuash Compare with another route Full route index