Notes from the mountain.
Long-form, data-backed writing for Indian Himalayan climbers: decision guides, skills pieces and a mountaineering glossary, drawn from expeditions we run and the questions our climbers actually ask.
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Altitude Sickness on a Trek: What to Do
A trekker-first guide to altitude sickness and acute mountain sickness: symptoms, prevention, acclimatisation, Diamox, HAPE/HACE warning signs and when to descend.
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Stok Kangri is closed: 2026 alternatives
Stok Kangri is still closed to commercial expeditions in 2026. Compare Kang Yatse II, Dzo Jongo East, UT Kangri and Yunam by altitude, difficulty and cost.
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After your BMC, what's the right first 6,000m peak?
A data-backed guide to picking your first 6,000m Indian Himalayan summit — covering IMF royalties, technical grades, costs and acclimatization profiles across 12 candidates.
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First 6,000m peak in India — every climbable candidate
A standing reference of twelve Indian peaks that pass the first-6,000er filter, with grade, season, cost and operator data. Pairs with the Peak Match tool.
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High altitude sickness: why blood oxygen falls past 2,500m
Why blood oxygen falls at altitude, how air pressure changes on treks, and what SpO2 numbers mean for high altitude sickness risk above about 2,500 m.
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How to Prevent Altitude Sickness on a Trek
How acclimatisation prevents altitude sickness: breathing, kidneys, oxygen unloading, red cells, sleeping-altitude rules, and Diamox.
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Altitude Sickness Symptoms: AMS Self-Check
Recognise altitude sickness symptoms and AMS symptoms after ascent with timing, the 2018 Lake Louise self-check, HACE signs and HAPE signs.
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Altitude Sickness Treatment: When to Descend
When to stop ascending or descend for altitude sickness: mild AMS, moderate AMS, HACE, HAPE, oxygen, Diamox, medicines and pressure bags.
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Mountaineering Glossary & Grades Explained
Alpine grades F, PD, AD, D, TD and ED explained, plus UIAA, YDS and WI/AI, anchored to real Indian Himalayan peaks. Decode the chips on every peak page.
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A complete guide to climbing Black Peak
Route, itinerary, cost, equipment and training for Black Peak — a 6,387m AD- expedition in the Garhwal Himalayas.