Explore Peaks

All the ascents available to analyze your altitude and oxygen.

6962m

Aconcagua

Mendoza, Argentina, Andes

O₂41%F+ / PD (High-altitude mountaineering, non-technical)High altitude / technical

3539m

Monte Adamello

Valcamonica, Lombardy, Italy

O₂65%PD (Peu Difficile) — glacier travel required, crampons and ice axe mandatoryAdvanced

4027m

Allalinhorn

Pennine Alps, Canton of Valais (CH)

O₂63%F (Easy)Advanced

6812m

Ama Dablam

Khumbu, Solukhumbu, Nepal

O₂42%TD (Technical alpinism — Southwest Ridge: rock IV-V, steep ice, mixed)High altitude / technical

3404m

Pico del Aneto

Pyrenees, Aragon, Spain

O₂66%Alpine (PD, glacier crossing + exposed ridge UIAA I-II)Intermediate

8091m

Annapurna I

Himalayas, Nepal

O₂35%ED+ (Extreme mountaineering — avalanche terrain, crevasses, Death Zone)High altitude / technical

3264m

Monte Antelao

Dolomites, Cadore, Veneto, Italy

O₂67%EE/A — UIAA II+ (PD+); exposed sections and slabs in the upper routeIntermediate

4102m

Barre des Écrins

Écrins Massif, Hautes-Alpes, France

O₂60%PD (Fairly Easy) — glacier route with an exposed final ridge, sometimes PD+/AD in poor conditionsAdvanced

4164m

Western Breithorn

Pennine Alps, Aosta Valley / Valais, Italy / Switzerland

O₂60%F (Easy)Advanced

4554m

Margherita Hut (Signalkuppe)

Monte Rosa, Italy/Switzerland

O₂58%F (Easy)Advanced

4228m

Castore

Pennine Alps, Monte Rosa Massif, Italy/Switzerland

O₂61%PD+ (Fairly Easy)Advanced

2981m

Cima Catinaccio

Dolomites, Trentino-Alto Adige, Italy

O₂69%PD — UIAA III (normal route, west face)Intermediate

4478m

Matterhorn

Pennine Alps, Italy/Switzerland

O₂57%D (Difficult) / AD (Fairly Difficult)Advanced

3769m

Monte Cevedale

Ortles-Cevedale, Stelvio National Park, Italy

O₂63%F+ (glacier route with crevasses; ice axe and crampons mandatory)Advanced

8188m

Cho Oyu

Himalayas, Nepal/Tibet (China)

O₂34%PD+ / D- (Himalayan mountaineering — normal route, Death Zone)High altitude / technical

3184m

Cimon della Pala

Pale di San Martino, Dolomites, Trentino, Italy

O₂68%AD (Alpine Difficult) — Via Ferrata Bolver-Lugli EEA + rock UIAA III, III+Intermediate

3220m

Monte Civetta

Dolomites, Province of Belluno, Veneto, Italy

O₂67%Cabled normal route (via ferrata) — about 22 cable sections, passages up to grade C, very exposedIntermediate

2912m

Corno Grande

Gran Sasso d'Italia, Abruzzo, Italy

O₂70%EE (Expert Hikers)Intermediate

6190m

Denali

Alaska Range, Alaska, USA

O₂45%AD/D (Technical glacier mountaineering, expedition)High altitude / technical

8167m

Dhaulagiri

Himalayas, Nepal

O₂34%TD+/ED (Northeast Ridge — extreme mountaineering, ice and mixed to 55°)High altitude / technical

4545m

Dom

Pennine Alps, Mischabel Group, Switzerland

O₂58%AD+ (Fairly Difficult)Advanced

3967m

Eiger

Bernese Oberland, Switzerland

O₂61%AD (Assez Difficile), UIAA grade III on rock, snow/ice to 40°Advanced

3357m

Mount Etna

Sicily, Italy

O₂66%EE (Expert Hikers)Intermediate

8849m

Mount Everest

Himalayas, Nepal/China

O₂31%TD+ / ED- (Extreme mountaineering, technical sections on ice and mixed terrain)High altitude / technical

3776m

Mount Fuji (富士山)

Honshū, Japan

O₂63%Strenuous hiking (no technical gear required)Advanced

4061m

Gran Paradiso

Graian Alps, Aosta Valley, Italy

O₂60%F+ (Easy+)Advanced

3857m

Gran Zebrù

Ortles-Cevedale, Stelvio National Park, Lombardy, Italy

O₂62%AD- (glacier approach + 40-50° couloir; ice axe, crampons and helmet mandatory)Advanced

3798m

Großglockner

East Tyrol / Carinthia, Austria

O₂62%UIAA I-III (normal route with glacier crossing and short via ferrata)Advanced

6088m

Huayna Potosí

Cordillera Real, Bolivia

O₂47%PD (Moderate) — glacier with sections up to 45°High altitude / technical

6189m

Island Peak (Imja Tse)

Solukhumbu, Sagarmatha National Park, Nepal

O₂45%AD− (glacier travel, fixed-rope ice headwall; crampons and ice axe required)High altitude / technical

4158m

Jungfrau

Bernese Oberland, Switzerland

O₂60%PD (Peu Difficile) — snow and ice up to 45°, mixed terrain near summitAdvanced

8611m

K2

Karakoram, Pakistan/China

O₂32%ED+ (Extreme mountaineering, the most technical standard route among the 8,000ers)High altitude / technical

8586m

Kangchenjunga

Himalayas, Nepal/Sikkim (India)

O₂32%ED (Extreme high-altitude mountaineering — normal route, Death Zone)High altitude / technical

5895m

Kilimanjaro

Tanzania, East Africa

O₂47%EE (Expert Hikers, high-altitude trekking)High altitude / technical

3193m

Mount Kita

Southern Alps (Minami Alps), Yamanashi, Japan

O₂68%Demanding alpine trekking (Technical Grade B, Yamanashi scale) — no climbing, but sustained elevation gain at altitudeIntermediate

8516m

Lhotse

Himalayas, Nepal/Tibet (China)

O₂33%AD / D (Himalayan mountaineering — normal route, Death Zone)High altitude / technical

4527m

Lyskamm West

Pennine Alps, Monte Rosa Massif, Italy/Switzerland

O₂58%D (Difficult)Advanced

8485m

Makalu

Himalayas, Nepal/Tibet (China)

O₂33%TD+ / ED (Himalayan mountaineering — technical SE ridge, Death Zone)High altitude / technical

8163m

Manaslu

Gorkha, Nepal

O₂34%PD+ (Extreme mountaineering, technical snow and ice on the normal route)High altitude / technical

3343m

Marmolada

Dolomites, Italy

O₂66%F (Easy) - glacier with crampons requiredIntermediate

6476m

Mera Peak

Hinku Valley, Solukhumbu, Nepal

O₂44%F/PD− (glacier travel; crampons and ice axe required, slopes up to 50°)High altitude / technical

4248m

Mont Blanc du Tacul

Mont Blanc Massif, Haute-Savoie, France

O₂59%PD+ (Fairly Difficult+), max 35° slope, short I+ rock step near the summitAdvanced

2793m

Monte Amaro

Maiella National Park, Abruzzo, Italy

O₂71%EE (Expert Hikers)Intermediate

4810m

Mont Blanc

Graian Alps, Italy/France

O₂56%PD (Slightly Difficult)Advanced

2165m

Monte Cimone

Northern Apennines (Appennino Tosco-Emiliano), Modena, Italy

O₂77%E — Hiking, waymarked trails (CAI classification)Intermediate

3678m

Monte Disgrazia

Rhaetian Alps, Lombardy, Italy

O₂64%PD+ (Moderately Difficult)Advanced

5642m

Mount Elbrus

Kabardino-Balkaria, Caucasus, Russia

O₂49%PD (Moderately Difficult, glacier mountaineering)High altitude / technical

1161m

Monte Misma

Bergamo Pre-Alps, Lombardy, Italy

O₂87%E (Hikers)Basic

2917m

Mount Olympus

Thessaly/Macedonia, Greece

O₂70%EE/F+ (Expert Hikers, final scramble)Intermediate

2267m

Serra Dolcedorme — Monte Pollino

Pollino National Park, Calabria/Basilicata, Italy

O₂76%EE (Experienced Hikers)Intermediate

2487m

Monte Velino

Sirente-Velino Regional Park, Abruzzo, Italy

O₂74%EE (Expert Hikers)Intermediate

2476m

Monte Vettore

Monti Sibillini, Marche/Umbria, Italy

O₂74%E (Hikers)Intermediate

3841m

Monviso

Cottian Alps, Piedmont, Italy

O₂62%PD (Slightly Difficult)Advanced

4392m

Mount Rainier

Cascade Range, Washington, USA

O₂58%PD/AD (Glacier mountaineering, crevasses and hard snow)Advanced

4421m

Mount Whitney

Sierra Nevada, California, USA

O₂58%Class 1 (Strenuous hiking, high altitude)Advanced

8126m

Nanga Parbat

Gilgit-Baltistan, Pakistan

O₂34%TD+/ED (Kinshofer Route — extreme mountaineering, ice and mixed terrain up to 55°)High altitude / technical

3905m

Ortler

Southern Rhaetian Alps, South Tyrol, Italy

O₂62%PD+ (Slightly Difficult, Upper Grade)Advanced

3168m

Monte Pelmo

Zoldo Dolomites, Belluno, Veneto, Italy

O₂68%EEA — UIAA II (Ball ledge exposed traverse, Passo del Gatto, scree)Intermediate

5636m

Pico de Orizaba (Citlaltépetl)

Veracruz/Puebla, Mexico

O₂49%PD (moderately difficult) — crampons and ice axe requiredHigh altitude / technical

4215m

Piramide Vincent

Pennine Alps, Monte Rosa Massif, Italy

O₂61%F (Easy)Advanced

4049m

Piz Bernina

Bernina Alps, Grisons (CH) / Lombardy (IT)

O₂63%PD+ (Moderately Difficult)Advanced

3152m

Piz Boè

Sella Group, Dolomites, Trentino-Alto Adige, Italy

O₂68%Grade EE (experienced hikers) — short fixed-rope section near summitIntermediate

2521m

Presolana

Orobie Alps, Italy

O₂75%EE (Expert Hikers)Intermediate

4634m

Punta Dufour

Pennine Alps, Monte Rosa Massif, Italy/Switzerland

O₂57%D (Difficult)Advanced

4046m

Punta Giordani

Pennine Alps, Monte Rosa Massif, Italy

O₂63%F (Easy)Advanced

3181m

Sassolungo (Langkofel)

Dolomites, Trentino-Alto Adige, Italy

O₂68%PD- (Peu Difficile minus) — rock and scree, Grade I UIAA movesIntermediate

924m

Stromboli

Aeolian Islands, Sicily, Italy

O₂90%Easy hiking trail up to 290m — certified guide mandatory above 290mBasic

3718m

Teide

Tenerife, Canary Islands, Spain

O₂63%T3/EE (demanding high-altitude hike on volcanic terrain)Advanced

2217m

Monte Terminillo

Monti Reatini, Lazio, Italy

O₂76%E (Hiking)Intermediate

3244m

Tofana di Mezzo

Dolomites, Veneto, Italy

O₂67%F (Easy) — trail on scree and rocky terrain; EEA (via ferrata Lipella)Intermediate

4167m

Jbel Toubkal

High Atlas, Morocco

O₂60%F (summer, May–October) / AD- (winter, crampons and ice axe required)Advanced

2999m

Three Peaks of Lavaredo

Dolomites, South Tyrol / Veneto, Italy

O₂69%E (Hikers) - circuit; III UIAA - normal route Cima GrandeIntermediate

2864m

Triglav

Julian Alps, Slovenia

O₂70%Very Demanding (equipped via ferrata, UIAA II-III)Intermediate

1281m

Vesuvius (Mount Vesuvius)

Vesuvius National Park, Campania, Italy

O₂86%Easy hiking trail — marked volcanic path, no technical difficultyBasic

2713m

Watzmann

Bavaria, Germany (Berchtesgaden Alps)

O₂72%UIAA I-II (alpine hiking, exposed ridge with fixed ropes)Intermediate

4017m

Weissmies

Valais, Switzerland

O₂61%PD (peu difficile — glacier with slopes up to 40°)Advanced

2962m

Zugspitze

Bavaria, Germany / Tyrol, Austria

O₂70%T4 / Via ferrata A/B (final section, Reintal route)Intermediate