Island Peak Climbing with Everest Base Camp

Island Peak Climbing with Everest Base Camp overview

Island Peak, known locally as Imja Tse, rises from the Imja valley above Chhukung like an island in a sea of ice, which is how the British climbers of the 1953 Everest expedition named it. Today it is the most climbed of Nepal's so-called trekking peaks and the classic first Himalayan summit. From the top you look across to the vast south face of Lhotse, with Makalu, Baruntse, Ama Dablam and the Imja glacier all around.

This itinerary combines the climb with the Everest Base Camp trek, which provides the best possible acclimatisation. By the time you reach Island Peak Base Camp, you have already spent several nights above 4,900 m and stood at 5,545 m on Kala Patthar, giving you the strongest chance of a safe and successful summit.

Island Peak climb at a glance

Why climb Island Peak?

• Your first 6,000-metre summit in the Himalaya.
• Everest Base Camp and Kala Patthar on the same trip.
• Summit views of Lhotse, Makalu, Baruntse and Ama Dablam.
• Training day at base camp with an experienced climbing guide.
• A real mountaineering experience: glacier, crampons, fixed ropes and a summit ridge.
• Reserve day for weather on summit week.

The route

The trip follows the Everest Base Camp trek from Lukla through Namche Bazaar, Tengboche and Dingboche, with acclimatisation days, to Lobuche, Gorak Shep, Everest Base Camp and Kala Patthar. You then descend to Dingboche and walk up the Imja valley to Chhukung and Island Peak Base Camp (about 5,087 m).

On summit day you leave base camp in the early hours, climb a rocky gully to the crampon point, rope up and cross the glacier, weaving between crevasses, to the foot of the headwall. A steep snow and ice slope of about 100 metres is climbed on fixed ropes with an ascender, leading to the narrow summit ridge and the top at 6,165 m. You descend the same way, abseiling down the headwall, and return to base camp or Chhukung.

Do I need climbing experience?

Previous mountaineering experience is helpful but not essential. You should be a fit, experienced trekker who is comfortable at altitude. On the training day at base camp, your climbing guide teaches or refreshes the essential skills: fitting and walking in crampons, using an ice axe, clipping into fixed ropes, climbing with an ascender (jumar) and abseiling. A winter skills course or a guided climb at home before the trip will add confidence.

Fitness and training

Start training at least three to four months before the trip. Focus on long hill walks of six to eight hours with a loaded pack, ideally on consecutive days; cardiovascular training four or five times a week; and strength training for the legs and core. The summit day is long and cold, so mental stamina matters as much as fitness.

Climbing equipment

Group climbing equipment, such as fixed ropes, snow bars and ice screws, is provided. You need personal gear: mountaineering boots compatible with crampons, crampons, harness, helmet, ice axe, ascender, descender and carabiners, plus warm down clothing. Most technical gear can be rented in Kathmandu or at Chhukung; we provide a full list when you book.

Safety and weather

Your climbing guide is experienced on Island Peak and follows strict turnaround times. The itinerary includes a reserve day in case weather or conditions delay the summit attempt. Your insurance must cover mountaineering to at least 6,500 m and helicopter evacuation.

Best time to climb Island Peak

April–May is the most popular season, with warmer temperatures and stable weather. October–November brings clear skies and excellent views, but colder summit days. Winter and the monsoon are not recommended.

Why climb Island Peak with Himalayan Hiking?

• Full acclimatisation via Everest Base Camp and Kala Patthar.
• Experienced climbing guides and a training day at base camp.
• Reserve summit day built into the itinerary.
• All permits, flights and logistics handled by our Kathmandu team.

Fitness and preparation

You need excellent fitness for long trekking days and a 10–12 hour summit day at altitude. Train for three to four months with long hill walks carrying a pack, cardio and leg-strength work. Previous experience above 5,000 m is recommended.

Altitude sickness

You will reach 6,165 m on the summit of Island Peak, after acclimatising at Everest Base Camp and Kala Patthar on this trek. Watch for headache, nausea, dizziness and trouble sleeping, and tell your guide about any of them early. The basics work: walk slowly, drink plenty of water, avoid alcohol, and if things get worse, descend. It is worth asking your doctor about altitude medication before the trip.

Weather and temperatures

Summit mornings are very cold, often well below −15°C with wind, even in spring. Days in the lower valley are mild. Weather can delay the climb, which is why a reserve day is included.

Domestic flights and baggage

Lukla flights depend on weather; keep flexible plans for your international flight. The baggage limit is around 15 kg on the flight, so we recommend renting heavy climbing gear in Kathmandu or at Chhukung.

Permits

The Island Peak climbing permit, Sagarmatha National Park permit and Khumbu Pasang Lhamu Rural Municipality permit are included.

Money, charging and Wi-Fi

Bring enough Nepali rupees from Kathmandu or Pokhara for extras on the trek; ATMs are rare and unreliable in the mountains. Battery charging, hot showers and Wi-Fi are usually paid extras in lodges, and a power bank is useful.

Drinking water

Skip the plastic bottles. Lodges sell boiled or filtered water, or you can treat tap water with tablets or a filter and refill your own bottle.

Travel insurance

We can't take you on the trek without insurance. Check that your policy covers trekking to 6,500 m, including mountaineering and emergency helicopter evacuation, and send us the details before you travel.

Visa

Most nationalities can get a Nepal tourist visa on arrival at Kathmandu airport or apply online in advance. Bring a passport valid for at least six months and passport photos for permits.

Clothing

• Moisture-wicking base layers
• Fleece jacket or mid-layer
• Warm down jacket (can be borrowed from us)
• Waterproof and windproof jacket and trousers
• Trekking trousers and shirts
• Warm hat, sun hat and buff
• Liner gloves and insulated gloves
• Trekking socks

Footwear

• Broken-in waterproof trekking boots
• Camp shoes or sandals for the lodges

Equipment

• Sleeping bag rated to about −20°C (can be borrowed from us)
• Daypack of 25–35 litres with rain cover
• Trekking poles
• Head torch with spare batteries
• Water bottles and purification tablets
• Sunglasses with UV protection
• Power bank and charging cables
• Mountaineering boots compatible with crampons
• Crampons, harness, helmet and ice axe (rentable)
• Ascender, descender and carabiners (rentable)
• Down suit or expedition down jacket and insulated trousers
• Glacier glasses and ski goggles
• Warm mittens

Personal items

• High-factor sunscreen and lip balm
• Personal first-aid kit and medication
• Toiletries, quick-dry towel and wet wipes
• Snacks such as energy bars and nuts
• Passport, insurance details and copies

More trip options, quoted on request:

• Lobuche East as a second summit (about 3 extra days).
• Island Peak without EBC (shorter, about 14–15 days).
• Helicopter return from Chhukung or Dingboche.
• Private expedition on your own dates.