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The Khumbu Glacier and high peaks in the Everest region
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Nepal Peaks Health and Safety: Altitude, Glaciers, Avalanche Risk and Borders

2 min readUpdated 2 Nov 2026By the Base Camp Hikes trek team

The short version: three of the most asked questions, answered in a line each. The rest of the page goes into detail.

  • How should I acclimatise before a peak such as Kongde Ri? Spend at least two nights at Namche and another at Thame, with a day hike to higher ground.
  • What should I watch for at Kala Patthar? Kala Patthar is 5,545 m, so altitude problems are possible even though it is a walk.
  • Is it safe to walk near the glacier at Gangapurna Lake? Keep to marked paths and away from the glacier edge, because avalanches and ice falls happen on the mountain.

How should I acclimatise before a peak such as Kongde Ri?

Spend at least two nights at Namche and another at Thame, with a day hike to higher ground. A few nights above 4,500 m before the climb will help. Take extra days for weather, and tell your guide about any headache or nausea early.

What should I watch for at Kala Patthar?

Kala Patthar is 5,545 m, so altitude problems are possible even though it is a walk. Go slowly, carry water and wear a warm insulated jacket, hat, gloves and scarf. Tell your guide if you feel unwell and turn back if symptoms get worse.

Is it safe to walk near the glacier at Gangapurna Lake?

Keep to marked paths and away from the glacier edge, because avalanches and ice falls happen on the mountain. Do not walk on the ice without a guide. The lake is cold and silty, so do not swim in it.

What dangers do steep peaks such as Thamserku and Taboche pose?

They are steep, avalanche-prone and technical, with hanging ice and objective danger, and are not common even among experienced alpinists. For almost everyone they are mountains to admire from the trail, rather than climb. Enjoy them from the path.

How do I stay safe near border peaks such as Khumbutse and Langtang Ri?

Keep to marked trails and follow your guide. Parts of the high valley near the border are restricted, and approaches near the ridge may be limited. Do not go beyond permitted areas, and ask your guide where the limits are.

Do I need a guide for peaks like Singu Chuli?

Yes. The climb is steep and technical, a step up from Island Peak, so a guide is required in practice and the permit is arranged through an agency. Even gentler peaks such as Tharpu Chuli are best done with a guide who can teach basic snow skills.

What weather risks apply on summit days?

Summit days start early in the cold, and weather can turn quickly, especially on Hiunchuli, where the ridge is narrow. Weather decides the day on peaks such as Nirekha, so keep spare days in the plan. Be ready to turn back when conditions are unsafe.

Tents pitched at a high camp below glaciated peaks

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