Climb simulator
Famous cycling climbs
Gradient profiles for the climbs every cyclist knows: Mallorca, Spain · French Alps, France · Provence, France · South Tyrol, Italy · Pyrenees, France · Asturias, Spain · Dolomites, Italy · Savoie, France · Vosges, France · Jura, France · Massif Central, France · Salzburg / Hohe Tauern, Austria · Lombardy, Italy · Friuli-Venezia Giulia, Italy · Piedmont, Italy · Tenerife, Spain. Each page includes a physics-based simulator: enter your FTP and weight to estimate your time on a profile of the real road. Where we have road geometry we trust, the page also flies the climb in 3D.
Tourmalet, Galibier, Croix de Fer and the first-ever double Alpe d'Huez finale. Simulate your time on every decisive climb of this year's route.
Sa Calobra, Puig Major and Cap de Formentor. Predict your Sa Calobra time. Personalized training plan preview included.
Sa Calobra (Coll dels Reis)
The snake road — a dead-end descent you must climb back out of
Puig Major
The longest climb on Mallorca, ending at the Monnaber tunnel
Coll de Sóller
Hairpin ladder over the old pass road, nearly traffic-free since the tunnel opened
Alpe d'Huez
21 numbered hairpins — the most famous climb in Tour de France history
Mont Ventoux
The Giant of Provence — a brutal forest followed by the bare lunar summit
Passo dello Stelvio
48 hairpins on the Prato side leading to the high-altitude pass
Col du Tourmalet
The most-climbed pass in Tour de France history
Col du Galibier
High-altitude giant of the Tour, usually paired with the Télégraphe
Alto de l'Angliru
The most feared climb of the Vuelta, with ramps up to ~23%
Lagos de Covadonga
The Vuelta's classic summit finish past the Covadonga sanctuary
Hautacam
Brutal, irregular Pyrenean slopes and dramatic Tour showdowns
Passo Giau
Uncompromising 9-10% gradient through 29 hairpins in the heart of the Dolomites
Col d'Aspin
The Tourmalet's forested neighbour — one of the Tour's most crossed passes
Col d'Aubisque
The western giant of the Pyrenees, linked to the Soulor by a cliff-carved balcony road
Col de Peyresourde
Steady Pyrenean pass famous for the crêpe stand at its summit
Luz Ardiden
Dead-end ski-station finish stacked with hairpins above Luz-Saint-Sauveur
Col de la Madeleine
Nearly 20 km at 8% linking the Maurienne and Tarentaise valleys
Col de la Loze
Irregular ramps on the car-free upper cycle road
Col d'Izoard
The lunar Casse Déserte — the most theatrical summit scenery in the Alps
Col de la Croix de Fer
A 27 km epic with descents mid-climb that wreck any steady rhythm
Col du Télégraphe
The Galibier's forested first act — steady 7% all the way
Col de Sarenne
The wild back door to Alpe d'Huez — narrow, raw and nearly traffic-free
Ballon d'Alsace
The first great climb in Tour de France history (1905)
Col de Joux Plane
Short, savage and irregular — the climb that has cracked Tour champions
Plateau de Beille
The Ariège's relentless summit finish — a Tour-winner's proving ground
Grand Colombier
The Jura's monster — lacets above the Rhône and double-digit ramps
La Planche des Belles Filles
Short, brutal Vosges wall that has decided multiple modern Tours
Col de l'Iseran
The highest paved pass in the Alps — 2,770 m of thin air
Col de la Bonette
The highest through-road in France, looping around a lunar summit at 2,802 m
Col de Portet
The modern Tour's hardest Pyrenean finish — 16 km averaging near 9%
Pla d'Adet
Steep ski-station finish above Saint-Lary with a savage opening half
Superbagnères
The grand balcony above Luchon, back in the Tour after decades away
Puy de Dôme
The volcano of Anquetil and Poulidor — a spiral road with a 12% finale
Les Angles
The Capcir ski village where the 2026 Tour threw its first mountain punch
Le Lioran (Col de Font de Cère)
The Cantal's volcano resort — modest gradients, relentless racing terrain
Le Markstein
The long way up to the Route des Crêtes — the Vosges' biggest sustained climb
Plateau de Solaison
A savage 11 km at 9%+ on a cliff-cut balcony road — the Tour's newest wall
Orcières-Merlette
Scene of Ocaña's 1971 masterpiece — the day Merckx lost nine minutes
Col de la Colombière
Haute-Savoie classic in three acts, ending above Le Reposoir's cliffs
Großglockner – Edelweißspitze
Glocknerkönig Ultra finish on the cobbled Edelweißspitze spur
Passo del Mortirolo
The classic Mazzo side and Marco Pantani's 1994 attack
Monte Zoncolan
The Ovaro side's sustained double-digit gradients
Colle delle Finestre
A relentlessly steady ascent ending with roughly eight kilometres of gravel
El Teide from Chío
The western road up Teide: 25 km of almost unbroken 5.5% through pine forest and lava fields to Boca Tauce
El Teide from El Médano
One of the longest paved ascents in Europe: sea level to the Las Cañadas plateau without a single flat kilometre of respite
Madonna del Ghisallo
The sanctuary chapel of cycling's patron saint, key climb of Il Lombardia
Profiles are simplified into segments for simulation; real gradients vary metre by metre. Lengths, elevation gains and average gradients shown are derived from these simulated profiles and closely match commonly published figures for each climb.
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