Island Peak (6,189m) Climbing & Everest Base Camp Trek (18 Days)
The Island Peak (Imja Tse 6,189m) & Everest Base Camp Trek (18 Days) is Nepal's ultimate mountaineering expedition for aspiring high-altitude climbers. Combining the classic trek to Everest Base Camp (5,364m) and the sunrise ascent of Kala Patthar (5,545m), this comprehensive 18-day itinerary builds supreme physiological acclimatization before you tackle the glaciated headwall and summit ridge of Island Peak (6,189m / 20,305ft).
Led by certified IFMGA / NMA Sherpa climbing guides with a dedicated 1:2 guide-to-client climbing ratio, you receive full glacier training in Chhukung, fixed-line climbing support with jumars and figure-of-eight descenders, high-camp tented infrastructure with an expedition chef, and an official Nepal Mountaineering Association (NMA) Summit Certificate upon conquest.
Island Peak Summit (6,189m)
Stand atop Imja Tse's dramatic knife-edge summit ridge directly beneath the colossal 3,000m south face of Lhotse (8,516m).
Everest Base Camp (5,364m)
Walk onto the Khumbu Glacier to stand beneath the ice pinnacles and expedition tents of the world's most famous base camp.
Kala Patthar Sunrise (5,545m)
Ascend the famous black rock ridge for the premier close-up sunrise panorama of Mt. Everest, Nuptse, and Changtse.
1:2 Climbing Guide Ratio
Personalized high-altitude safety with 1 licensed IFMGA Sherpa climbing guide for every 2 climbers on summit push.
Pre-Climb Glacier School
Hands-on practical training in Chhukung and Base Camp on jumar ascending, crampon technique, and fixed-line rappelling.
Official NMA Summit Certificate
Receive your prestigious government-verified climbing certificate issued by the Nepal Mountaineering Association.
Why Climb Island Peak with Best Treks Nepal?
Conquering Island Peak (6,189m) requires proven high-altitude acclimatization, fixed rope rigging by veteran Everest summiters, and high camp logistics.
1:2 IFMGA Sherpa Climbing Ratio
Dedicated 1 climbing guide per 2 climbers on summit night to ensure personal safety, pace management, and rope transitions.
EBC + Kala Patthar Acclimatization
Climbing Everest Base Camp (5,364m) and Kala Patthar (5,545m) prior to Island Peak delivers a phenomenal 98.4% summit success rate.
All Flights & NMA Permits Included
Domestic flights KTM ⇄ Lukla, NMA Island Peak Climbing Permit, Sagarmatha National Park, and Khumbu Pasang Lhamu permits included.
Base Camp & High Camp Tented Service
North Face 4-season expedition tents, foam mattresses, private expedition cook, dining tent, and fresh hot meals at Base Camp (5,200m).
Satellite SOS & Medical Oxygen
Garmin inReach satellite tracking, pulse oximetry checks, high-altitude emergency oxygen cylinder, and direct helicopter rescue link.
15% Deposit & Lifetime Validity
Lock in your expedition with 15% deposit ($373). Free date rescheduling up to 30 days prior with lifetime validity protection.
18-Day Island Peak & EBC Detailed Itinerary
Complete route from Lukla through Namche Bazaar, Tengboche, Dingboche, Everest Base Camp (5,364m), Kala Patthar (5,545m), and the summit of Island Peak (6,189m).
Day 1
Flight Kathmandu / Ramechhap to Lukla (2,846m) & Trek to Phakding (2,610m)
2,610m
35m Flight + 3.5 hrs / 8 km
+
Take an early morning mountain flight to Tenzing-Hillary Airport in Lukla (2,846m). Meet your Sherpa climbing guide and porter team, organize gear, and trek along the Dudh Koshi river valley through pine forests and mani walls to Phakding (2,610m).
Day 2
Trek Phakding to Namche Bazaar (3,440m) via Hillary Suspension Bridge
3,440m
6 hrs / 11 km
+
Cross suspension bridges decorated with prayer flags, enter Sagarmatha National Park at Monjo, and cross the iconic Hillary Suspension Bridge over the confluence of the Dudh Koshi and Bhote Koshi. Ascend the steep pine ridge to Namche Bazaar (3,440m), the bustling Sherpa capital.
Day 3
Acclimatization Day in Namche Bazaar: Hike to Hotel Everest View (3,880m)
3,880m Viewpoint
Acclimatization Day
+
Essential acclimatization hike up to Syangboche and Hotel Everest View (3,880m) for panoramic views of Mt. Everest, Lhotse, Ama Dablam, and Thamserku. Visit the Hillary School and Khumjung Gompa.
Day 4
Trek Namche Bazaar to Tengboche Monastery (3,867m)
3,867m
5 hrs / 9.5 km
+
Walk along the scenic balcony trail with views of Ama Dablam, descend to Phunki Thenga for lunch, and climb through rhododendron and birch forests to Tengboche Monastery (3,867m). Attend evening monks' prayer ceremonies.
Day 5
Trek Tengboche to Dingboche (4,410m) beneath Ama Dablam
4,410m
5.5 hrs / 11 km
+
Descend to Deboche and pass the stone mani walls of Pangboche with close-up views of Ama Dablam. Enter the high alpine Imja Valley and reach the stone-walled summer settlement of Dingboche (4,410m).
Day 6
Acclimatization Hike to Nangkartshang Peak (5,083m)
5,083m Summit
Acclimatization Day
+
Climb the steep ridge north of Dingboche to Nangkartshang Peak (5,083m) for views of Makalu (8,485m), Lhotse, Ama Dablam, and Island Peak rising above the Imja Glacier.
Day 7
Trek Dingboche to Lobuche (4,940m) via Thokla Pass Memorials
4,940m
5 hrs / 8 km
+
Trek along the wide alpine valley to Dughla, climb steeply up Thokla Pass (4,830m) past the stone chortens and memorials honoring fallen Everest mountaineers, and continue alongside the Khumbu Glacier moraine to Lobuche (4,940m).
Day 8
🏔️ Lobuche to Gorak Shep (5,164m) & Trek to Everest Base Camp (5,364m)
5,364m EBC
7.5 hrs / 13 km
+
Trek across glacial moraine to Gorak Shep (5,164m), check into lodge, and continue onto the lateral moraine of the Khumbu Glacier to reach Everest Base Camp (5,364m). Stand beneath the seracs and blue ice towers of the Khumbu Icefall before returning to Gorak Shep.
Day 9
🌅 Sunrise Climb of Kala Patthar (5,545m) & Trek to Chhukung (4,730m)
5,545m Kala Patthar
7 hrs / 14 km
+
Pre-dawn climb up Kala Patthar (5,545m) for the sunrise panorama of Mt. Everest, Nuptse, and Pumori. Descend to Gorak Shep for breakfast and trek down the valley to Dingboche, continuing east into the Imja Valley to Chhukung (4,730m).
Day 10
Trek Chhukung to Island Peak Base Camp (5,200m) & Pre-Climb Glacier Training
5,200m Base Camp
4 hrs / 6 km
+
Trek along the south flank of the moraine past Imja Tsho glacial lake to Island Peak Base Camp (5,200m / Pareshaya Gyab). After lunch in the dining tent, your IFMGA Sherpa climbing guide conducts comprehensive training on fixed rope ascending (jumar), figure-of-eight rappelling, crampon footwork, and ice axe self-arrest.
Day 11
Ascend to High Camp (5,600m) / Glacier Briefing & Early Rest
5,600m High Camp
3 hrs / 3 km
+
Climb up a steep rocky gully to Island Peak High Camp (5,600m). Set up high-altitude tents, review summit strategies and rope teams, hydrate, and get early sleep for midnight summit push.
Day 12
⚡ Summit Push: High Camp to Island Peak Summit (6,189m) & Descend to Chhukung
6,189m SUMMIT
10–12 hrs Summit Day
+
Begin summit push at 1:00 AM. Scramble up rocky ridges to Crampon Point (5,800m), rope up for glacier crossing, negotiate crevasses with aluminum ladders if needed, and tackle the famous 45-degree ice headwall on fixed lines to top out on the knife-edge summit of Island Peak (6,189m / 20,305ft)! Enjoy 360-degree views of Lhotse (8,516m), Makalu (8,485m), Ama Dablam (6,812m), and Baruntse. Rappel down fixed lines, pack high camp, and descend to Chhukung (4,730m).
Day 13
Contingency / Weather Reserve Summit Day in Chhukung
4,730m
Contingency Day
+
Dedicated summit contingency day in case of high winds or snowfall on Day 12. If summit was achieved on schedule, enjoy a well-deserved rest day in Chhukung or leisurely trek to Pangboche.
Day 14
Trek Chhukung to Pangboche / Tengboche (3,867m)
3,867m
5.5 hrs / 12 km
+
Descend through the Imja Valley past Dingboche and Pangboche, crossing the Imja Khola to return to Tengboche (3,867m).
Day 15
Trek Tengboche to Namche Bazaar (3,440m)
3,440m
5 hrs / 10 km
+
Descend to Phunki Thenga, climb the stone steps past Sanasa and Kyangjuma, and contour around the mountain to Namche Bazaar (3,440m). Celebrate your summit with hot showers, bakeries, and cafes.
Day 16
Trek Namche Bazaar to Lukla (2,846m)
2,846m
7 hrs / 19 km
+
Descend the Hillary Suspension Bridge, pass Monjo and Phakding, and make the final gentle climb to Lukla (2,846m). Evening celebration and tips ceremony with your Sherpa climbing guides and porters.
Day 17
Flight Lukla to Kathmandu / Ramechhap & Hotel Transfer
1,400m
Flight to KTM
+
Morning flight from Lukla to Kathmandu / Ramechhap with private vehicle transfer to your hotel. Rest, relax, and explore Thamel.
Day 18
Celebration Banquet & Presentation of Official NMA Summit Certificates
1,400m
Celebration
+
Grand celebration dinner in Kathmandu with our mountaineering team and presentation of your official Nepal Mountaineering Association (NMA) Island Peak Summit Certificate.
Island Peak & EBC Package Tiers
All tiers include domestic flights (KTM ⇄ Lukla), NMA climbing permits, Sagarmatha National Park permits, licensed IFMGA Sherpa climbing guides (1:2 ratio), high camp tented service with chef, teahouses, and full board meals.
- ✓ Domestic Flights (Kathmandu ⇄ Lukla)
- ✓ NMA Island Peak Climbing Permit ($250 value)
- ✓ Certified IFMGA Sherpa Guide (1:2 ratio on summit)
- ✓ 15 nights teahouse + 2 nights tented Base/High Camp
- ✓ All group climbing gear (ropes, snow bars, ice screws)
- ✓ All 3 meals daily on trek & expedition chef at base camp
- ✓ Free 100L duffel bag & -20°C down sleeping bag
- ✓ Everything in Standard, plus:
- ✓ 4-Star luxury hotel in Kathmandu (Aloft/Marriott)
- ✓ Best en-suite private rooms in Namche, Lukla & Dingboche
- ✓ Free hot showers & electronic device charging on trail
- ✓ High Camp heated dining tent & hot water bottles
- ✓ Official framed NMA Summit Certificate
- ✓ Everything in Comfort Plus, plus:
- ✓ 5-Star luxury resort in Kathmandu (Dwarika's)
- ✓ Dedicated 1:1 Private Everest-Summiter Sherpa Guide
- ✓ 1 porter per climber
- ✓ Direct helicopter flight Chhukung ➔ Kathmandu after summit
Read Before You Climb — Island Peak Knowledge Base
Essential preparation on Island Peak (6,189m), technical climbing gear, jumar ascending, EBC acclimatization, and safety.
Island Peak Mountaineering Readiness Tracker
You have reviewed 0 of 12 preparation topics.
1. Island Peak (Imja Tse 6,189m) Mountain Profile +
Named 'Island Peak' in 1953 by Eric Shipton's team because it resembles an island in a sea of ice when viewed from Dingboche. It rises in the Imja Valley directly beneath the sheer South Face of Lhotse (8,516m).
2. The 100m Ice Headwall & Summit Ridge +
The crux of the climb is the 100-meter ice/snow headwall pitched at 45 to 50 degrees, followed by a classic knife-edge exposed summit ridge leading to the 6,189m top. Fixed ropes and ascenders (jumars) are used.
3. Pre-Climb Glacier School in Chhukung +
On Day 10, our IFMGA Sherpa climbing guides conduct an extensive training clinic on fixed line ascending with jumars, figure-of-eight rappelling, crampon footwork on ice, and self-arrest with ice axes.
4. Why EBC + Kala Patthar First? (98.4% Success) +
Trekking to Everest Base Camp (5,364m) and climbing Kala Patthar (5,545m) on Days 8–9 builds red blood cell counts and deep acclimatization, drastically elevating Island Peak summit success from ~65% to 98.4%.
5. 1:2 Sherpa Guide to Client Climbing Ratio +
On summit night, we maintain a strict 1:2 guide ratio. Every pair of climbers is attached to an experienced Sherpa guide who manages fixed-line carabiner transitions, pacing, and crevasse safety.
6. Base Camp (5,200m) & High Camp (5,600m) Infrastructure +
We establish our private base camp at 5,200m with North Face mountain tents, a dedicated kitchen crew providing fresh hot carbohydrates, and advance High Camp at 5,600m to shorten summit morning by 2.5 hours.
7. Technical Climbing Gear Checklist +
Personal gear needed: Double mountaineering boots (e.g. La Sportiva Nepal / G2), C2/C3 crampons, climbing harness, climbing helmet, jumar ascender, figure-8 descender, 2 locking carabiners, and ice axe. (Available for rent in Chhukung/Kathmandu).
8. NMA Climbing Permits & Garbage Deposit +
Island Peak is regulated by the Nepal Mountaineering Association (NMA). All climbing royalties ($250/pax), garbage deposits, and Sherpa insurance are 100% handled and covered in your package.
9. Summit Night Timeline (1:00 AM Departure) +
Wake up at 12:30 AM for hot porridge and tea. Depart High Camp at 1:00 AM with headlamps. Reach Crampon Point at dawn (5:30 AM), summit between 7:30 AM and 9:00 AM, and return to Chhukung by early afternoon.
10. High-Altitude Medical Protocols & Oxygen +
Our team carries medical-grade bottled oxygen, Gamow bag access, pulse oximeters, and a Garmin inReach satellite SOS communicator. Direct emergency helicopter dispatch is available at Chhukung and Dingboche.
11. Best Weather Seasons (Spring vs Autumn) +
Spring (April–May) features warmer temperatures, blooming Khumbu valleys, and stable morning conditions. Autumn (October–November) offers crystal-clear skies, firmer ice conditions on the headwall, and spectacular visibility.
12. Flexible 15% Deposit Guarantee +
Lock in your climbing expedition with a 15% deposit ($373). Free date changes up to 30 days prior with lifetime validity protection.
18-Day Topographic Elevation Profile
Visualizing the climb from Lukla (2,846m) through Everest Base Camp (5,364m), Kala Patthar (5,545m), and the summit of Island Peak (6,189m).
Island Peak Weather & Summit Temperature Model
Calculated across key points from Lukla (2,846m), Namche (3,440m), Dingboche (4,410m), Gorak Shep (5,164m), to Island Peak Summit (6,189m).
Prime climbing season with warming temperatures, blooming lower valleys, and stable summit mornings.
Heavy clouds and snowfall on upper glaciers; high avalanche risk on the headwall. (Not recommended).
Peak mountaineering window. Crystal clear skies, firm snowpack on the headwall, and unmatched panoramas.
Extreme alpine cold and high jet-stream winds above 6,000m requiring specialized polar expedition gear.
Guaranteed Small-Group Climbing Departures (Max 10)
Guaranteed flight bookings, NMA permits, Sherpa climbing guide team, and base camp logistics.
| Departure Dates | Season | Status | Price / Pax | Action |
|---|---|---|---|---|
| Apr 05 – Apr 22, 2026 | Spring Climbing Season | ✓ Confirmed (3 spots left) | $2,490 USD | Book Seats |
| May 02 – May 19, 2026 | Spring Everest Season | ⚡ Filling Fast (2 spots left) | $2,490 USD | Book Seats |
| Oct 04 – Oct 21, 2026 | Prime Autumn Peak | ✓ Confirmed (4 spots left) | $2,490 USD | Book Seats |
| Nov 01 – Nov 18, 2026 | Autumn Crisp Skies | ✓ Confirmed (3 spots left) | $2,490 USD | Book Seats |
We organize private departures with 1:1 IFMGA climbing guide ratios for solo climbers and alpine clubs.
Sherpa Teahouses & High Camp Tented Hospitality
Comfortable family-run lodges throughout Khumbu and fully equipped high-altitude tented camps at Island Peak.
Khumbu Teahouses
Stay in comfortable Sherpa lodges in Namche, Tengboche, and Dingboche with cozy dining rooms and heated stoves.
High Camp Tented Service
North Face 4-season tents, thick insulating foam mattresses, private dining tent, and warm sleeping environments.
Expedition Chef at Base Camp
Fresh, high-energy carbohydrates prepared by our trained expedition cook: soups, pasta, eggs, meat dishes, and hot tea.
Hydration & Boiled Water
Purified boiled drinking water provided morning and night to maintain the 4–5 liters daily intake required for summit success.
High-Altitude Safety Standards & Rescue Protocols
Daily pulse oximetry monitoring, comprehensive alpine medical kits, and direct helicopter evacuation link.
Daily Biometric Monitoring
Twice-daily pulse oximeter blood-oxygen (SpO2) and heart-rate tracking logged by your IFMGA Sherpa guide.
Medical Oxygen Cylinder
Emergency high-altitude oxygen cylinder and mask on standby at Base Camp and High Camp for urgent descent support.
Garmin inReach Satellite
Two-way live satellite communications connecting the climbing team with Kathmandu headquarters 24/7.
Helicopter Evacuation Link
Direct Airbus H125 (B3e) helicopter emergency dispatch coordinates from Chhukung, Dingboche, and Gorak Shep.
Island Peak Climbing & Trekking Gear Checklist
Recommended 4-layer mountaineering system, personal climbing hardware, and high-altitude gear.
🧗 Personal Climbing Hardware
- 1x Mountaineering harness
- 1x Pair C2/C3 step-in crampons
- 1x Walking/mountaineering ice axe
- 1x Jumar (ascender) & sling
- 1x Figure-8 or ATC descender
- 2x Screwgate locking carabiners
- 1x Climbing helmet (UIAA approved)
🥾 Mountaineering Footwear
- 1x Double mountaineering boots (e.g. La Sportiva)
- 1x Sturdy trekking boots for trail days
- 4x Heavy merino wool mountaineering socks
- 1x Pair gaiters for snow/rock
- 1x Down camp booties for high camp
🧥 Upper Body & Thermal Layers
- 2x Heavyweight merino thermal tops
- 1x Heavy expedition down jacket (-20°C)
- 1x GORE-TEX waterproof/windproof shell
- 1x Mid-layer fleece jacket
- 1x Pair heavy summit mitts + liner gloves
🎒 Hardware & Accessories
- 1x 35L Daypack for summit push
- 1x 100L Duffel bag (provided free)
- 1x -20°C Down sleeping bag (provided free)
- 1x UV400 Category 4 glacier glasses
- 1x High-lumen headlamp with extra batteries
Book Island Peak Climbing & EBC Trek (18 Days)
Reserve your 2026/2027 climbing dates with a 15% flexible deposit ($373 per person). Free cancellation and date transfers up to 30 days before departure.
What Climbers Say About Island Peak & EBC
"Topping out on Island Peak at sunrise with the South Face of Lhotse towering above was the greatest moment of my life. Doing EBC first gave me the lungs I needed for the headwall."
"Our Sherpa climbing guide Pemba was a 5-time Everest summiter. The glacier training in Chhukung built total confidence on the jumar. Highly recommend Best Treks Nepal!"
"The 1:2 guide ratio was critical on the headwall. Our guide locked our carabiners and gave constant encouragement. Getting the NMA summit certificate was the cherry on top."
"Best expedition experience in the Himalayas. Tented base camp food was delicious, tents were warm, and the safety standards were world class."
Frequently Asked Questions
Direct answers regarding technical requirements, previous climbing experience, gear rental, guide ratios, and permits.
Do I need prior mountaineering experience for Island Peak? +
No prior technical mountaineering experience is required, but excellent physical cardiovascular fitness and trekking experience are essential. Our guides provide full pre-climb training in Chhukung on jumar ascending, crampon footwork, and rappelling.
What is the technical difficulty of the summit headwall? +
The headwall is approximately 100 vertical meters of snow/ice pitched at 45 to 50 degrees. It is protected by fixed ropes. You ascend using a jumar (ascender) with safety carabiners and rappel down using a figure-8 descender.
What permits are included in this expedition package? +
The package includes the official NMA Island Peak Climbing Permit ($250 USD value), NMA garbage deposit, Sagarmatha National Park entry permit, and Khumbu Pasang Lhamu rural municipality permit.
Can I rent technical climbing gear in Nepal? +
Yes! High-quality double mountaineering boots, crampons, harness, helmet, jumar, and ice axe can be rented in Chhukung or Kathmandu for approximately $80–$120 USD for the entire set.
What is the climbing guide-to-client ratio on summit night? +
We maintain a strict 1:2 guide-to-client ratio on summit night (1 certified Sherpa climbing guide per 2 climbers) to ensure maximum safety, personalized pacing, and fixed rope management.
Why is the Everest Base Camp trek included first? +
Trekking to EBC (5,364m) and climbing Kala Patthar (5,545m) on Days 8–9 provides world-class acclimatization. By the time you reach Island Peak, your body is fully adapted to high altitudes, yielding a 98.4% summit rate.
What is the accommodation like at Base Camp & High Camp? +
You sleep in 4-season mountain tents with thick foam mattresses. Base camp features a dining tent with hot meals prepared by our expedition cook. High camp provides advance shelter to shorten summit morning.
Are all domestic Lukla flights included? +
Yes! Round-trip domestic flights between Kathmandu / Ramechhap and Lukla with 15kg luggage allowance (including duffel) are 100% included in all package tiers.
What happens if weather is bad on summit day? +
Our 18-day itinerary includes Day 13 as a dedicated weather contingency reserve day in Chhukung, giving your team a second attempt if high winds or snowfall occur on Day 12.
Do I receive an official climbing certificate? +
Yes! Upon reaching the summit, your guide submits photo verification to the Nepal Mountaineering Association, and you receive an official government-recognized NMA Summit Certificate.
Is emergency helicopter evacuation available? +
Yes. Direct helicopter rescue dispatch is available at Chhukung, Dingboche, and Gorak Shep through our 24/7 Kathmandu operations desk in coordination with your emergency travel insurance.
How does the 15% flexible deposit work? +
You pay 15% ($373) online to lock in climbing permits, flight seats, and your IFMGA guide team. The remaining 85% is payable upon arrival in Kathmandu. Deposits feature lifetime validity.
Ready to Climb Your First 6,000m Himalayan Peak?
Our Kathmandu operations desk and certified IFMGA Sherpa climbing leaders are available 24/7 on WhatsApp.
