Imja Valley, Nepal: Complete Travel & Trekking Guide

Imja Valley: The Wild, Glacier-Carved Heart of the Everest Region

The Imja Valley is a high Himalayan valley in Nepal's Everest (Khumbu) region, running east from Pangboche past Dingboche to Chhukung and the foot of Island Peak. It is enclosed by some of the most dramatic mountain walls on Earth: the vast south face of Lhotse to the north, Ama Dablam to the south and Makalu peeking over the eastern ridges. Glaciers, moraine and the milky Imja Khola river shape a landscape that feels raw, open and utterly Himalayan.

Most trekkers meet the Imja Valley at Dingboche, the main acclimatisation stop on the Classic Everest Base Camp Trek. Fewer continue up to Chhukung, the glacial lake Imja Tsho and Island Peak Base Camp, or cross Kongma La on the Everest Three High Passes Trek. Those who do discover one of the quietest and most rewarding corners of the Khumbu.

This guide covers everything you need to plan a visit: location, how to get there, the best places to see, sample itineraries, difficulty, seasons, permits, teahouses and packing, followed by the 15 questions trekkers ask most.

Imja Valley at a Glance

Detail	Information
Location	Khumbu region, Sagarmatha National Park, Solukhumbu District, Koshi Province, Nepal
Valley span	Pangboche (~3,930 m) → Dingboche (4,410 m) → Chhukung (~4,730 m) → Island Peak Base Camp (~5,090 m)
River	Imja Khola, fed by the Imja and Lhotse glaciers
Main villages	Dingboche, Bibre, Chhukung
Highlights	Nangkartshang viewpoint, Chhukung Ri, Imja Tsho lake, Island Peak, Kongma La
Highest trekking viewpoint	Chhukung Ri (~5,550 m)
Major peaks	Lhotse (8,516 m), Makalu (8,485 m), Ama Dablam (6,812 m), Island Peak (6,189 m), Baruntse (7,129 m)
Difficulty	Moderate to strenuous (altitude is the main challenge)
Best seasons	March–May and late September–November
Accommodation	Teahouses in Dingboche, Bibre and Chhukung
Permits	Sagarmatha National Park + Khumbu Pasang Lhamu Rural Municipality
Treks that visit	Classic Everest Base Camp Trek, Everest Three High Passes Trek and custom Chhukung or Island Peak trips

Where Is the Imja Valley?

The Imja Valley lies inside Sagarmatha National Park, a UNESCO World Heritage Site in northeastern Nepal. Above Pangboche, the main Everest trail splits in two: the left branch follows the Khumbu Khola to Pheriche, Lobuche and Everest Base Camp, while the right branch climbs east along the Imja Khola into the Imja Valley. The two valleys are separated by the Nangkartshang ridge and reconnected high up by the Kongma La pass.

How to Get to the Imja Valley

There are no roads in the Khumbu, so the Imja Valley is reached on foot after a mountain flight to Lukla.

1. Fly from Kathmandu to Lukla (2,860 m). The Kathmandu to Lukla flight takes about 30–40 minutes; in peak season many flights leave from Ramechhap (Manthali).
2. Trek to Phakding (2,610 m) along the Dudh Koshi River.
3. Climb to Namche Bazaar (3,440 m) and take an acclimatisation day.
4. Continue to Tengboche (3,870 m), home to the Khumbu's largest monastery.
5. Pass Pangboche and turn right into the Imja Valley to reach Dingboche (4,410 m), usually on day 6 of a trek.
6. Walk 2–3 hours further up the valley via Bibre to Chhukung (~4,730 m).

Helicopter option: short helicopter sightseeing flights over the Khumbu are possible through our helicopter services, but flying straight to 4,400 m+ without acclimatisation is unsafe for overnight stays.

Treks That Pass Through the Imja Valley

Trek	Duration	Imja Valley stops	Price from
Classic Everest Base Camp Trek	14 days	2 nights in Dingboche with an acclimatisation hike	US$ 1,200 per person
Everest Three High Passes Trek	19 days	Dingboche (2 nights) and Chhukung, then Kongma La	US$ 1,450 per person
Chhukung & Imja Valley extension (custom)	15–16 days	Dingboche, Chhukung, Chhukung Ri and Imja Tsho, added to EBC	On request
Island Peak climbing (custom)	17–19 days	Chhukung, Island Peak Base Camp and summit (6,189 m)	On request

See every route on our Everest Region Treks page.

Top Places to Visit in the Imja Valley

1. Dingboche (4,410 m): Gateway to the Imja Valley

Dingboche is the largest settlement in the valley and one of the most important acclimatisation stops in the Everest region. Its patchwork of stone-walled barley and potato fields, built to shield crops from fierce winds, sits beneath Ama Dablam and the towering Lhotse–Nuptse wall. Lodges here are surprisingly comfortable, with bakeries, cafés and Wi-Fi.

2. Nangkartshang Peak (~5,083 m): The Classic Acclimatisation Hike

The ridge directly above Dingboche, also known locally as Nagarjun Hill, is the standard climb-high, sleep-low hike for EBC and Three Passes trekkers. The 3–4 hour round trip rewards you with a sweeping panorama of Makalu (8,485 m), Lhotse, Ama Dablam, Island Peak and the entire Imja Valley.

3. Bibre: Yak Pastures on the Way to Chhukung

Between Dingboche and Chhukung, the tiny seasonal settlement of Bibre sits among open yak pastures and stone huts. It is a peaceful spot for tea and a rest, with Ama Dablam's north face looming directly overhead.

4. Chhukung (~4,730 m): The Last Village

Chhukung is a cluster of lodges at the head of the inhabited valley, surrounded by glaciers and giant walls of rock and ice. It is the base for Chhukung Ri, Imja Tsho, Island Peak and Kongma La, and one of the quietest overnight stops in the Khumbu.

5. Chhukung Ri (~5,550 m): The Imja Valley's Best Viewpoint

This rocky summit above Chhukung is one of the highest non-technical viewpoints in Nepal, similar in height to Kala Patthar. The steep 3–4 hour climb reveals Lhotse's south face at startling close range, along with Makalu, Baruntse, Ama Dablam, Island Peak and the Imja and Lhotse glaciers. Many trekkers climb it as a final acclimatisation hike before Kongma La or Island Peak.

6. Imja Tsho (~5,010 m): Nepal's Fastest-Growing Glacial Lake

At the foot of the Imja Glacier lies Imja Tsho, a grey-green glacial lake roughly 150 m deep. Its surface area grew from about 0.4 to over 1 km² between 1984 and 2009, making it one of the fastest-growing glacial lakes in Nepal. In 2016, the Nepal Army and local workers, supported by the UNDP, cut an outlet channel and lowered the water level by about 3.4 m to reduce flood risk downstream. A visit here is a powerful lesson in Himalayan climate change.

7. Island Peak Base Camp (~5,090 m)

Island Peak (Imja Tse, 6,189 m) is Nepal's most popular trekking peak, rising like an island from the glaciers at the head of the valley. Its base camp, a 2–3 hour walk from Chhukung along the moraine, is a rewarding day hike even if you don't plan to climb, with close views of Lhotse Shar, Baruntse and Ama Dablam. Summit climbs need a climbing permit, technical gear and training.

8. Kongma La Pass (5,535 m)

The highest of the Everest Three Passes leaves from Chhukung and crosses into the Khumbu Valley at Lobuche. It is a long, strenuous 8–9 hour day, crossed on our Everest Three High Passes Trek, with frozen lakes, Makalu views and a crossing of the Khumbu Glacier on the far side.

Imja Valley Viewpoints Compared

Viewpoint	Altitude	From	Round trip	Difficulty	Best views
Nangkartshang Peak	~5,083 m	Dingboche	3–4 hrs	Moderate	Makalu, Lhotse, Ama Dablam
Chhukung Ri	~5,550 m	Chhukung	3–4 hrs	Challenging	Lhotse south face, Makalu, Baruntse
Imja Tsho viewpoint	~5,010 m	Chhukung	4–5 hrs	Moderate	Imja Glacier, Island Peak, Lhotse Shar
Island Peak Base Camp	~5,090 m	Chhukung	4–6 hrs	Moderate–challenging	Island Peak, Baruntse, Ama Dablam

Sample Imja Valley Itineraries

Option 1: Dingboche on the Classic EBC Trek (14 days)

Day	Route	Overnight altitude
1	Arrive in Kathmandu	1,300 m
2	Fly to Lukla, trek to Phakding	2,610 m
3	Phakding → Namche Bazaar	3,440 m
4	Acclimatisation day in Namche	3,440 m
5	Namche → Tengboche	3,870 m
6	Tengboche → Dingboche (enter the Imja Valley)	4,410 m
7	Acclimatisation day: Nangkartshang hike or walk toward Chhukung	4,410 m
8–14	Lobuche → EBC → Kala Patthar → Pheriche → Namche → Lukla → Kathmandu	—

Full details: Classic Everest Base Camp Trek itinerary.

Option 2: Imja Valley Extension (add 2–3 days to EBC)

1. Day 7: Dingboche → Chhukung (2–3 hrs), afternoon rest.
2. Day 8: Climb Chhukung Ri at sunrise, or hike to Imja Tsho and Island Peak Base Camp; overnight in Chhukung.
3. Day 9: Return to Dingboche and continue to Lobuche via Thukla, or cross Kongma La direct to Lobuche if fit and well acclimatised.

This extension adds excellent acclimatisation before Everest Base Camp and some of the finest close-up mountain scenery in Nepal. Ask us to add it through the trip planner.

Option 3: Chhukung and Kongma La on the Three Passes (19 days)

On the Everest Three High Passes Trek, you spend two nights in Dingboche and one in Chhukung, then cross Kongma La (5,535 m) to Lobuche on day 9 before continuing to EBC, Cho La, Gokyo and Renjo La.

Acclimatisation in the Imja Valley

The Imja Valley is one of the best places in the Khumbu to acclimatise, because it lets you climb high on day hikes and sleep lower in Dingboche or Chhukung.

• Never gain more than 300–500 m of sleeping altitude per day above 3,000 m.
• Spend at least two nights in Dingboche before sleeping higher.
• Use day hikes (Nangkartshang, Chhukung Ri) to climb high and return to sleep low.
• Drink 3–4 litres of water a day and avoid alcohol.
• Watch for warning signs: severe headache, vomiting, dizziness, confusion or breathlessness at rest mean you must descend.
• Medical help: the Himalayan Rescue Association aid post in Pheriche, just over the ridge, operates in peak seasons.

How Difficult Is Trekking in the Imja Valley?

Section	Altitude	Walking time	Difficulty
Tengboche → Dingboche	3,870 → 4,410 m	5–6 hrs	Moderate
Dingboche → Chhukung	4,410 → ~4,730 m	2–3 hrs	Easy–moderate
Nangkartshang hike	up to ~5,083 m	3–4 hrs return	Moderate
Chhukung Ri climb	up to ~5,550 m	3–4 hrs return	Challenging
Chhukung → Island Peak Base Camp	up to ~5,090 m	2–3 hrs one way	Moderate–challenging
Kongma La crossing	up to 5,535 m	8–9 hrs	Strenuous

The trails themselves are mostly well defined, but altitude makes every step harder. Fit beginners can comfortably reach Dingboche on the Classic EBC trek; Chhukung Ri, Island Peak Base Camp and Kongma La suit trekkers with good fitness and prior high-altitude experience.

Best Time to Visit the Imja Valley

The best times to trek the Imja Valley are October–November and March–May, when skies are clear, trails are dry and the peaks stand out sharply.

Season	Months	Day / night at Dingboche (approx.)	Conditions	Verdict
Autumn	Late Sep–Nov	8–15°C / -8 to -2°C	Crystal-clear, stable weather	Best
Spring	Mar–May	8–17°C / -6 to 0°C	Warmer; Island Peak climbing season; some afternoon cloud	Excellent
Winter	Dec–Feb	0–8°C / -15 to -20°C	Clear but bitterly cold; some lodges in Chhukung close	Experienced trekkers only
Monsoon	Jun–Aug	10–16°C / 2 to 6°C	Cloudy, wet, frequent Lukla flight delays	Least suitable

Chhukung and the viewpoints above are 5–10°C colder than Dingboche, and wind makes it feel colder still.

Permits and Costs

No special permit is needed for the Imja Valley itself. The two standard Everest-region permits cover Dingboche, Chhukung, Chhukung Ri, Imja Tsho and Island Peak Base Camp.

Permit	Fee for foreign nationals	Where checked
Sagarmatha National Park Entry Permit	NPR 3,000 + 13% VAT	Monjo
Khumbu Pasang Lhamu Rural Municipality Permit	NPR 3,000	Lukla
Island Peak climbing permit (summit only)	Charged separately by season	Arranged by your operator

Both trekking permits are included in all Nepal Trip Services Everest packages. On the trail, budget about US$ 20–30 per day for extras such as hot showers, charging, Wi-Fi, snacks and drinks. There are no ATMs above Namche Bazaar, so carry enough Nepalese rupees.

Teahouses and Food in the Imja Valley

Village	Altitude	Teahouse standard	Facilities
Dingboche	4,410 m	Good	Many lodges, some attached bathrooms, bakeries, Wi-Fi, solar showers
Bibre	~4,570 m	Very basic	Seasonal tea stops only
Chhukung	~4,730 m	Basic	A handful of lodges, shared toilets, limited hot water, paid charging

• Rooms: simple twin-sharing rooms with beds and blankets; bedrooms are unheated.
• Dining: warm communal dining halls heated by yak-dung or wood stoves.
• Food: dal bhat (with free refills), noodle soups, fried rice, momos, potatoes, porridge, Tibetan bread and garlic soup.
• Tip: choose vegetarian meals at this altitude, since meat is carried up for days without refrigeration.
• Water: use refill stations, boiled water or purification tablets instead of bottled water.

Sherpa Culture and Wildlife in the Imja Valley

The Imja Valley has long been a summer grazing and farming area for Sherpa families from Pangboche and the lower Khumbu. Many of Dingboche's stone-walled fields still grow barley and potatoes, and yaks graze on the high pastures around Bibre and Chhukung. Along the trail you'll pass mani walls, prayer flags and small chortens, reminders of the Tibetan Buddhist faith that shapes daily life.

• Walk clockwise around mani walls, chortens and stupas.
• Ask permission before photographing people, homes or religious sites.
• Visit Pangboche Monastery on the way in, said to be the oldest in the Khumbu.
• Share a cup of butter tea with your teahouse family and learn about high-altitude farming life.

Wildlife in the valley includes the Himalayan tahr, pika, and birds such as the Himalayan monal (Danphe), snowcocks, choughs and lammergeiers. The elusive snow leopard lives in Sagarmatha National Park but is very rarely seen.

Packing List for the Imja Valley

Category	Essentials
Clothing	Thermal base layers, fleece, down jacket (rated -15°C to -20°C), waterproof shell jacket and trousers, trekking trousers
Head & hands	Warm beanie, sun hat, buff, liner and insulated gloves, UV400 glacier sunglasses
Footwear	Broken-in waterproof boots, camp shoes, wool socks; microspikes for Kongma La or snowy months
Sleeping	Four-season sleeping bag (-15°C to -20°C) and liner
Gear	30–40 L daypack, trekking poles, headlamp, insulated water bottles, purification tablets
Health	Personal medicines, blister kit, rehydration salts, throat lozenges, SPF 50+ sunscreen and lip balm
Electronics	Power bank, universal adapter, offline maps
Documents	Passport, insurance details (covering trekking up to 6,000 m), permits, Nepalese rupees

Responsible Travel in the Imja Valley

The Imja Valley's glaciers, lakes and alpine meadows are fragile and directly affected by climate change. Please help protect them:

1. Carry out all rubbish, including wrappers, batteries and tissues.
2. Refill water bottles instead of buying plastic.
3. Never wash, swim or throw objects into glacial lakes such as Imja Tsho.
4. Stay on established trails to protect fragile plants and moraine.
5. Eat and sleep at the same teahouse, which keeps room prices fair for local families.
6. Hire licensed local guides and well-equipped porters to support the Sherpa economy.

Top 15 Frequently Asked Questions About the Imja Valley

1. Where is the Imja Valley in Nepal?

The Imja Valley is in the Everest (Khumbu) region of Solukhumbu District, inside Sagarmatha National Park. It branches east from the main Everest trail above Pangboche and runs past Dingboche and Chhukung to the glaciers below Lhotse, Island Peak and Baruntse.

2. What is the altitude of the Imja Valley?

The valley rises from about 3,900 m near Pangboche to 4,410 m at Dingboche and around 4,730 m at Chhukung. Viewpoints above it reach about 5,083 m (Nangkartshang), 5,550 m (Chhukung Ri) and 5,535 m at Kongma La.

3. How do I get to the Imja Valley?

Fly from Kathmandu (or Ramechhap) to Lukla, then trek via Phakding, Namche Bazaar and Tengboche to Dingboche, usually on day 6 of an Everest Base Camp itinerary. Chhukung is a further 2–3 hours up the valley.

4. Is Dingboche part of the Imja Valley?

Yes. Dingboche is the largest village and main gateway of the Imja Valley. It is also the key acclimatisation stop on the Classic Everest Base Camp Trek, with two nights spent there.

5. What is there to see in the Imja Valley?

Highlights include the stone-walled fields of Dingboche, the Nangkartshang viewpoint, Chhukung village, Chhukung Ri, the glacial lake Imja Tsho, Island Peak Base Camp and Kongma La Pass. The scenery is dominated by Lhotse's south face, Ama Dablam, Makalu, Baruntse and Island Peak.

6. How long should I spend in the Imja Valley?

On a standard EBC trek, you spend two nights in Dingboche. To properly explore Chhukung, Chhukung Ri and Imja Tsho, add 2–3 extra days. The Everest Three High Passes Trek includes two nights in Dingboche and one in Chhukung.

7. Is the Imja Valley trek difficult?

Walking to Dingboche and Chhukung is moderate, but altitude makes it demanding. Side trips to Chhukung Ri, Island Peak Base Camp and Kongma La are challenging to strenuous and suit trekkers with good fitness and previous high-altitude experience.

8. What is Chhukung Ri and how hard is it?

Chhukung Ri (~5,550 m) is a rocky viewpoint above Chhukung, about the same height as Kala Patthar. The climb takes 3–4 hours return on a steep, rocky trail, with the last section involving easy scrambling. It offers one of the closest views of Lhotse's south face available to trekkers.

9. What is Imja Tsho lake?

Imja Tsho (~5,010 m) is a large glacial lake at the snout of the Imja Glacier, around 150 m deep. It grew rapidly from about 0.4 to over 1 km² between 1984 and 2009. In 2016, the Nepal Army lowered its water level by about 3.4 m to reduce the risk of a glacial lake outburst flood.

10. Can I visit Island Peak Base Camp without climbing?

Yes. Island Peak Base Camp (~5,090 m) is a 2–3 hour walk from Chhukung and makes a rewarding day hike for well-acclimatised trekkers. You don't need a climbing permit to visit base camp, only the standard trekking permits.

11. Do I need a special permit for the Imja Valley?

No. The Sagarmatha National Park permit and the Khumbu Pasang Lhamu Rural Municipality permit cover the whole valley. A separate climbing permit is only required to summit Island Peak.

12. When is the best time to visit the Imja Valley?

October–November and March–May offer the clearest views and most stable weather. Spring is also Island Peak climbing season. Winter is very cold with some lodges closed, and the monsoon brings cloud, rain and flight delays.

13. Are there teahouses in the Imja Valley?

Yes. Dingboche has many good teahouses with bakeries, Wi-Fi and some attached bathrooms. Chhukung has a handful of basic lodges. Bibre has only seasonal tea stops. Above Chhukung, there are no lodges.

14. Is altitude sickness a risk in the Imja Valley?

Yes. You sleep above 4,400 m and hike above 5,000 m, so Acute Mountain Sickness is a real risk. Spend at least two nights in Dingboche, climb high and sleep low, drink plenty of water and descend immediately if severe symptoms appear. The HRA aid post in Pheriche is nearby in peak seasons.

15. How do I book an Imja Valley trek?

The Imja Valley is part of our Classic Everest Base Camp Trek (from US$ 1,200) and Everest Three High Passes Trek (from US$ 1,450). For Chhukung, Imja Tsho or Island Peak extensions, contact Nepal Trip Services or use our trip planner to build a custom itinerary.

Plan Your Imja Valley Trek with Nepal Trip Services

The Imja Valley is where the Everest region turns truly wild. Stone-walled fields give way to glaciers, a grey-green lake grows at the foot of the Imja Glacier, and Lhotse's immense south face fills the sky above Chhukung. Whether you pass through Dingboche on your way to Everest Base Camp or spend extra days exploring Chhukung Ri, Imja Tsho and Island Peak Base Camp, this valley offers some of the most powerful mountain scenery in Nepal.

With 16 years of Himalayan experience, Nepal Trip Services takes care of every detail so you can focus on the mountains:

• Licensed local guides who know the Imja Valley, its viewpoints and changing conditions
• Well-paced itineraries with proper acclimatisation in Namche and Dingboche
• Daily health checks with a pulse oximeter and a full first-aid kit
• All logistics handled: Lukla flights, permits, porters and teahouse bookings
• Tailor-made extensions to Chhukung, Imja Tsho, Island Peak or Kongma La

Ready to explore the Imja Valley? Choose our Classic Everest Base Camp Trek or Everest Three High Passes Trek, browse all our Everest Region Treks, including the Gokyo Lakes Trek and Everest View Trek, or plan a custom trip built around your dates and fitness. Spring and autumn departures fill quickly, so we recommend booking 2–3 months ahead.

• WhatsApp / Viber: +977 982-8696557
• Phone: +977-9813593530
• Email: info@nepaltripservices.com
• Office: Thamel, Kathmandu, Nepal
• Response time: usually within 0–2 hours

Altitudes, timings, permit fees and prices are approximate and current as of October 2026. Conditions in the Imja Valley change with weather and season; your guide will advise on the day.