Head-to-head match-up

Le GR20 vs Milford TrackWhich Hike is Harder?

100/100

Route A

Le GR20

france

65/100

Route B

Milford Track

new-zealand

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 significantly harder overall (100 vs 65 on our intensity index) because it has steeper, more technical terrain and footing. However, Milford Track 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
More weather-sensitive across the full route commitment in this pairing: Le GR20
More remote / harder to exit quickly: Milford Track
Better lower-consequence progression route before the other: Milford Track

Compare with another route

Key difference

Le GR20 loads more into sustained physical load and repeated climbing. Milford Track 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	Milford Track
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.	~1154 m — ridgelines run cooler and mistier; pack and plan like a mountain hike, not only a shore walk.
Daily rhythm & commitment	Multi-day — confirm how fixed overnight stops are before assuming you can improvise stages.	Shorter format — logistics are usually simpler than a week-long hut corridor.
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 ~51/100 in our model reflects that underfoot grind.

Decision physics — deeper read

Pace and vertical geometry—use after the headline verdict when you want the numbers translated into trail feel.

Implied pace from dossier walking-hour bands: ~2.2 km/h on Milford Track versus ~1.7 km/h on Le GR20. That ≈23% gap in implied pace is often the clearest signal that raw distance is a weak proxy for how hard the days will feel.

Vertical density: ~67 m gain per km on Le GR20 vs ~22 m/km on Milford Track (≈3.0× tighter on the steeper-per-km route)—classic “distance vs staircase” geometry.

Stairmaster factor: Le GR20 packs more climbing into each kilometer—calves and quads work harder per minute than a flat map distance implies.

Hiker-Route Fit

All four experience tiers—nothing omitted. Scan where your profile lands; “Poor fit” is intentional when the gap is large.

Beginner

Poor fit

Milford

Stretch / prep

Intermediate

Poor fit

Milford

Good fit

Advanced

Stretch / prep

Milford

Good fit

Expert

Good fit

Milford

Good fit

Ground Truth	Le GR20	Milford Track
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.	sandfly menace: Sandflies at the end of the track (Sandfly Point) are legendary for their intensity.
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.	extreme flooding and rainfall: Fiordland receives up to 8 meters of rain annually. Trails can become waist-deep in water within hours.
Access & resupply	Resupply & water: Refuges sell bottled water and beer priced for a captive audience	Access & services: Starts with a boat from Te Anau Downs. Returns via boat from Sandfly Point to Milford Sound, and then a bus back to Te Anau.
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: None — Rangers at every hut have radio contact. Helicopter evacuation is standard for injuries or floods.

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.”

Milford Track

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: 5–7 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.

Milford Track: The finest walk in the world. The Milford Track (53.5km / 33 miles) is New Zealand's most famous trekking route, limited to just 40 independent walkers per day. Starting with a boat journey across Lake Te Anau, the trail traces the Clinton and Arthur Valleys, crossing the legendary Mackinnon Pass (1,154m). Mackinnon Pass and the Waterfall Chaos. The 'X-Factor' of the Milford is the sense of absolute enclosure by nature.

Final verdict

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

Choose Le GR20 if you prefer technical, leg-burning terrain; choose Milford Track 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 · Milford Track

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 Milford Track 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.

Milford Track

Do not choose if you cannot tolerate long stretches without services, reliable comms, or fast exit options.
Do not choose if you cannot evaluate and manage cold or glacial river crossings safely.
Do not choose without a satellite communicator and a practiced emergency plan.

Keep browsing

Compare these hikes with others

Le GR20

Milford Track

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 A — More Taxing

Technical

Route A — More Technical

Distance

Route A — Longer

180 km

53.5 km

Elevation Gain

Route A — More vertical

12,000 m

1,200 m

Vertical density

Route A — More climb per km

~67 m/km

~22 m/km

Implied walking pace

Route A — Slower modeled pace

~1.7 km/h

~2.2 km/h

Highest Point

Route A — Higher summit

2,604 m

1,154 m

Duration

Route A — Longer commitment

15 days

4 days

Hazard Level

Route A — Higher hazard level

LETHAL // NO-MARGIN (5/5)

SERIOUS // HIGH CONSEQUENCE (4/5)

Reading the metrics

Technical score reflects terrain complexity in the model (footing, obstacles, sustained steepness), not perceived exposure or tourist-style edge risk.
Implied walking pace divides indexed horizontal distance per day by the midpoint of each dossier’s walking-hour band when both exist—a workload sanity check, not a stopwatch guarantee.
On short multi-day trips, some dossiers encode cumulative route hours (not per-day averages). When that pattern is detected, we show route-wide pace instead of a misleading per-day figure.
Vertical density is total modeled gain divided by horizontal route distance.

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

5,400 m

Ready to lock in a mission?

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