Khumbu Icefall

Khumbu Glacier

Sujan Manandhar
Updated on February 12, 2025

The Khumbu Glacier is one of the most famous glaciers in the world, located in Nepal's Solu-Khumbu region. Also known as the "Frozen River of Everest," this massive ice formation is a breathtaking natural wonder in the Himalayas.

As a crucial part of the Mount Everest climbing route, the Khumbu Glacier presents one of the most challenging and iconic sections of the ascent. Whether you're a climber or an adventurous trekker, exploring the Khumbu Glacier is an experience like no other.

One of the key features of the Khumbu Glacier is the Khumbu Icefall, a dangerous yet necessary section for climbers heading toward the summit. It leads to the South Col, the final resting point before the summit push. While the glacier and its surrounding environment provide crucial resources, such as water and shelter from extreme weather, it also presents numerous risks, including shifting ice, crevasses, and the unstable nature of the Icefall.

The Khumbu Icefall is one of the most dangerous and iconic sections of the climb to Mount Everest. It is located between Everest Base Camp (5,364m) and Camp I (6,065m) and consists of massive, shifting ice blocks, deep crevasses, and towering seracs. Due to constant movement and ice collapses, climbers must navigate it carefully using ladders and ropes installed by the Icefall Doctors—a specialized team that maintains the route.

Many climbers attempt to cross the Khumbu Icefall in the early morning when temperatures are lower, reducing the risk of ice collapse. It remains one of the most technical and unpredictable sections of the South Col route to Everest’s summit.

Key Facts About Khumbu Glacier:

  • Location: Nepal, within Sagarmatha National Park
  • Length: Approximately 12 km (7.5 mi)
  • Elevation: Ranges from 4,900m (16,076 ft) to 7,600m (24,934 ft)
  • Flow Rate: Moves about 0.3 to 1 meter per day
  • Main Sections:
    • Upper Glacier: Starts near the Western Cwm
    • Middle Glacier: Features large ice formations and crevasses
    • Lower Glacier: Rocky moraine-covered section near Lobuche

The Khumbu Glacier has been shaping the landscape of the Everest region for thousands of years. It was formed during the last Ice Age, when glaciers were much larger and covered much of the region. Over time, it has been retreating due to global warming, with a noticeable shrinkage in recent decades. This retreat affects the surrounding ecosystem and poses challenges for future expeditions.

As the glacier melts, it forms meltwater lakes, which have become increasingly prominent. Some of these lakes, like Gokyo Lakes, are situated lower down in the region and are known for their striking turquoise waters. However, some of these lakes are growing in size, and there are concerns that a glacial lake outburst flood (GLOF) could occur, potentially devastating areas downstream.

Why is the Khumbu Glacier Important for Everest Expeditions?

The Khumbu Glacier is a vital part of Everest expeditions, serving as both a gateway and a major challenge for climbers.

Everest Base Camp (5,364m) is located on the glacier, making it the starting point for summit attempts.

One of its most dangerous sections, the Khumbu Icefall, is an unstable maze of towering seracs, deep crevasses, and shifting ice blocks that climbers must carefully navigate using ladders and fixed ropes maintained by the Icefall Doctors.

Beyond the Icefall, the glacier provides access to higher camps, including Camp 1 (6,065m), Camp 2 (6,400m), and Camp 3 (7,200m), before reaching the South Col. Additionally, the glacier supplies essential water for climbers, although it requires filtration due to ice contamination.

However, its continuous movement and retreat due to climate change pose serious risks, including crevasse formation and ice collapses, making it one of the most dangerous obstacles on the Everest route. Despite these challenges, the Khumbu Glacier remains a lifeline for climbers, shaping the journey to the world’s highest peak.

Can Trekkers Visit the Khumbu Glacier?

Yes, trekkers can visit the Khumbu Glacier, but access depends on the route and trekking experience. Most trekkers on the Everest Base Camp (EBC) trek get to see the glacier up close near Gorak Shep (5,164m) and Everest Base Camp (5,364m). The glacier stretches from the Western Cwm down to Lobuche and is a stunning yet rugged landscape of ice, rock, and moraine.

However, trekking onto the glacier itself, especially near the Khumbu Icefall, is not recommended for regular trekkers due to crevasses and unstable ice formations. Only climbers attempting Everest, with proper equipment and guides, navigate deeper into the glacier and icefall sections.

Why Climbers Rely on the Khumbu Glacier

Climbers rely on the Khumbu Glacier for several essential reasons during their journey to the summit of Mount Everest. It serves as the primary route to Everest Base Camp (EBC), the starting point for all climbers.

From EBC, climbers ascend through the glacier, making their way to higher camps such as Camp 1, Camp 2, and Camp 3. These camps are vital for acclimatization and rest, enabling climbers to prepare for the more challenging sections higher up the mountain. The glacier also provides important meltwater, which climbers filter for drinking and cooking.

Ready for Your Khumbu Glacier Adventure?

Exploring the Khumbu Glacier is an unforgettable experience. For travelers from the USA looking to visit this icy wonder, Tidy Himalaya offers expert-guided tours, ensuring safety, deep local knowledge, and an eco-friendly trekking experience.

Contact Tidy Himalaya today and start your journey to the Khumbu Glacier!

Know More about Khumbu Glacier

How is climate change affecting the Khumbu Glacier? 

Climate change has led to a noticeable retreat of the Khumbu Glacier over recent decades. This retreat has been documented through satellite imagery and on-the-ground research, indicating a reduction in glacier volume and length, which can impact local water resources and mountaineering routes.

How fast is the Khumbu Icefall?

The glacier is expected to move 0.9 to 1.2 m (3 to 4 feet) down the mountain daily.

Which is the largest glacier in Nepal?

Nepal's largest glacier is the Khumbu Glacier, the largest glacier in the country at 24,900 feet.

Is the Khumbu Glacier melting?

Yes, the Khumbu Glacier is melting. Studies have found that it is rapidly melting and thinning due to global warming. 

How does the Khumbu Glacier affect local communities? 

The glacier is a source of fresh water for local communities but poses a risk of glacial lake outburst floods (GLOFs). As the glacier melts, it can contribute to the formation of glacial lakes, which can burst and cause devastating floods downstream.

 

Need Help? Call Us+977 9851342657orChat with us on WhatsApp
Offer Packages
Everest Base Camp Luxury Trek
Starts from
US$3760US$4000
Everest Base Camp Short Trek
Starts from
US$1390US$1500
Everest Base Camp Trek
Starts from
US$1600US$1690