Gangkhar Puensum (7,570 m), the highest mountain of Bhutan, seen from the Eastern Himalayas
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    Gangkhar Puensum

    Highest mountain of Bhutan

    Not Yet ClimbedExpert

    7,570 m

    Elevation

    2,995 m

    Prominence

    Unclimbed — Bhutan banned mountaineering above 6,000 m in 2003

    First Ascent

    About Gangkhar Puensum

    Gangkhar Puensum — 'White Peak of the Three Spiritual Brothers' — is the highest mountain in Bhutan at 7,570 m and, uniquely, the highest mountain on Earth that nobody has ever stood on top of. Mountaineering in Bhutan above 6,000 m has been prohibited since 2003, so the summit is legally out of reach. What you can still do is trek deep into the Snowman Trek country beneath it, or climb legally in neighbouring Nepal and India instead.

    The highest unclimbed mountain in the world. Bhutan prohibits climbing high peaks out of respect for local spiritual beliefs. Its name means 'White Peak of the Three Spiritual Brothers'.

    Also known as: Gangkhar Puensum, Gangkar Punsum, Gankar Punzum, གངས་དཀར་སྤུན་གསུམ.

    Climbing Gangkhar Puensum: route, season and difficulty

    How long it takes
    a full expedition of one to several weeks, including acclimatisation
    Do you need a guide?
    Yes. This is expedition terrain — a guided team or a very experienced, self-sufficient partnership is essential, and permits or logistics support are usually mandatory.
    Best season
    Usually March to November.
    Terrain & gear
    Glaciated, remote and high-altitude terrain with objective hazards. Full expedition kit: rope, crampons, ice axe, harness, high-altitude clothing, tents and fuel.

    Note: Unclimbed, climbing banned

    Mountaineering in Bhutan: what is and isn't allowed

    Bhutan is the only Himalayan country that has closed its highest mountains on principle rather than for logistics or politics. Peaks above 6,000 m were restricted in 1994 and all mountaineering was banned in 2003, because summits such as Jhomolhari, Jichu Drake and Gangkhar Puensum are regarded as the homes of protective deities. That decision has never been reversed, and there is no permit process to apply through — the answer is simply no.

    Everything below that line is open and genuinely excellent. Bhutan runs a guided-tourism model: you book through a licensed Bhutanese operator, travel with a guide, and pay a per-night Sustainable Development Fee on top of your trip cost. In return the trails are quiet and the camps are far less crowded than anything comparable in Nepal.

    • ▸Climbing above 6,000 m: prohibited nationwide, no exceptions for foreign expeditions.
    • ▸Trekking below 6,000 m: allowed, guided, and permitted through your operator.
    • ▸Independent, unguided trekking: not permitted for foreign visitors.
    • ▸Drone flying near peaks and monasteries: requires separate approval and is usually refused.

    The realistic alternatives if you want Himalayan altitude

    If Bhutan is on your list because of the mountains rather than the summit tick, the practical plan is to trek in Bhutan and climb in Nepal. The Snowman Trek — roughly 25 days across Lunana with eleven passes above 4,500 m — is the hardest mainstream trek in the Himalaya and passes through the country that Gangkhar Puensum overlooks. On the climbing side, Nepal's trekking peaks (Island Peak 6,189 m, Mera Peak 6,476 m, Lobuche East 6,119 m) give comparable altitude with a legal permit.

    Bhutan high-mountain travel at a glance
    Highest pointGangkhar Puensum, 7,570 m
    Summit statusUnclimbed — highest unclimbed mountain in the world
    Climbing legalityBanned above 6,000 m since 2003
    Best trekking seasonLate September to mid-November; April to May
    AccessLicensed Bhutanese operator, guide and daily SDF required
    Nearest legal high climbNepal's trekking peaks, 6,100-6,500 m

    Frequently Asked Questions

    What is the highest mountain in Bhutan?

    The highest mountain in Bhutan is Gangkhar Puensum, at 7,570 meters above sea level.

    How long does it take to climb Gangkhar Puensum?

    Allow a full expedition of one to several weeks, including acclimatisation. Times vary with fitness, conditions and which trailhead you start from.

    Can you climb Gangkhar Puensum without a guide?

    Yes. This is expedition terrain — a guided team or a very experienced, self-sufficient partnership is essential, and permits or logistics support are usually mandatory.

    When is the best time to climb Gangkhar Puensum?

    The usual season is March to November. Outside that window expect snow, storms or closed access.

    What gear do you need for Gangkhar Puensum?

    Full expedition kit: rope, crampons, ice axe, harness, high-altitude clothing, tents and fuel.

    How high is Gangkhar Puensum?

    Gangkhar Puensum stands at 7,570 meters (24,836 feet).

    Where is Gangkhar Puensum located?

    Gangkhar Puensum is located in Bhutan, within the Eastern Himalayas.

    Has Martin climbed Gangkhar Puensum?

    Not yet — Gangkhar Puensum is still on Martin's list of remaining country highpoints.

    Can you climb mountains in Bhutan?

    Not the high ones. Bhutan restricted mountaineering above 6,000 m in 1994 and banned it outright in 2003, out of respect for the deities local communities believe inhabit the peaks. Trekking below that altitude is fully allowed and well organised.

    Why is Gangkhar Puensum unclimbed?

    Four expeditions attempted it between 1985 and 1986 without success, and Bhutan then closed high peaks to climbing. A 1998 Japanese team summited a subsidiary top, Liankang Kangri, from Tibet, but the main summit remains untouched.

    Has anyone ever reached the summit of Gangkhar Puensum?

    No. It is the highest unclimbed mountain in the world. Its exact position on the Bhutan-China border was also disputed for years, which added a diplomatic obstacle on top of the ban.

    What is the best trek to see Gangkhar Puensum?

    The Snowman Trek through Lunana, and the shorter Bumthang-side treks, give distant views of the massif. All trekking in Bhutan requires a licensed operator, a guide and the daily Sustainable Development Fee.

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