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Over 91% of Kilimanjaro's ice has vanished since 1912. From the Furtwängler Glacier to the Northern Icefield, here is what is happening, why, and what it means for climbers.
Kilimanjaro's glaciers have shrunk by over 85% since 1912. Scientists estimate the remaining ice — including the famous Furtwängler Glacier and Northern Icefield — could disappear entirely by 2040. Climate change, reduced snowfall, and increased sublimation are the primary drivers. You can still see and photograph these glaciers today, but the window is narrowing.
Six distinct ice formations remain on Kilimanjaro, each with its own character, history, and rate of retreat. Together they represent roughly 1.1 km² of ice — down from 12 km² in 1912.
Largest remaining
The most extensive remaining ice mass on Kilimanjaro, located on the northern slopes of Kibo near the crater rim. Once a continuous sheet, it has fractured into several distinct segments. Visible from the Rongai and Northern Circuit routes during the final summit approach. Estimated to contain roughly 40% of Kilimanjaro's remaining ice volume.
Rapidly retreating
Positioned on the southern flanks of Kibo, this icefield is directly exposed to solar radiation from the north and has retreated faster than the Northern Icefield. Climbers on the Machame, Lemosho, and Umbwe routes see its remnants as dramatic vertical ice walls along the crater rim during the final ascent to Uhuru Peak.
Severely diminished
Once a significant ice mass on Kilimanjaro's eastern face, this icefield has lost the majority of its volume over the past century. It includes remnants of the historically documented Ratzel and Credner glaciers. Researchers use it as a key indicator of overall retreat rates because of its high sun exposure.
Most famous, critically small
Situated on the summit plateau inside the crater, the Furtwängler Glacier is the most visited ice formation on Kilimanjaro. Named after the German mountaineer Walter Furtwängler who summited in 1912, it once covered the entire crater floor. Today it stands as a solitary ice block roughly 60 metres across, reduced by over 80% since the year 2000. Every summit trekker can walk right past it.
Named after missionary Johannes Rebmann
Named after the German missionary who first reported snow on Kilimanjaro to European audiences in 1848 — a claim initially ridiculed by London geographers. The Rebmann Glacier clings to the southwestern slopes and has lost dramatic vertical ice cliffs that once defined the Western Breach approach. Its retreat is visible to climbers ascending via the Arrow Glacier camp.
Historical ice, now fragmentary
Named after Baron Karl Klaus von der Decken, the first European to attempt Kilimanjaro's summit in 1861. The Decken Glacier once merged with the Rebmann Glacier to form a continuous ice wall visible from Barranco Camp. The two have separated entirely, and the Decken Glacier now survives as isolated remnants on the southwestern crater wall.
Over a century of scientific observation documents one of the most visible signs of climate change on Earth. The numbers tell an unambiguous story of accelerating ice loss.
| Year | Ice Cover | Loss from 1912 |
|---|---|---|
| 1912 | ~12.0 km² | — |
| 1953 | ~6.7 km² | 44% |
| 1976 | ~4.2 km² | 65% |
| 1989 | ~3.3 km² | 73% |
| 2000 | ~2.6 km² | 78% |
| 2010 | ~1.8 km² | 85% |
| 2020s | ~1.1 km² | 91% |
| 2030s–2040sProjected | Projected 0 | 100% |
Key insight: The rate of ice loss is accelerating. It took 41 years (1912–1953) to lose the first 44%, but only 30 years (1989–2020s) to lose the next 18%. The remaining ice is thinner, more fragmented, and more vulnerable to solar radiation than at any point in recorded history. For a broader look at Kilimanjaro's vital statistics, see our Kilimanjaro statistics guide.
The answer is not as simple as “global warming melts ice.” Kilimanjaro's glacier loss is driven by a cascade of interconnected factors, several of which are unique to tropical mountains near the equator.
While Kilimanjaro's summit temperatures still frequently drop below freezing, the global temperature increase has raised the zero-degree isotherm (the altitude at which temperatures average 0°C). This means the lower edges of the glaciers experience more hours above freezing each year, accelerating melt at the margins. Even a fraction of a degree matters when you are right at the tipping point between ice preservation and loss.
Glaciers survive when annual snowfall exceeds annual melt. On Kilimanjaro, precipitation has declined significantly since the late 19th century. Less snow means less reflective surface (albedo), which means the dark rock and ice absorb more solar energy, which accelerates further melting — a destructive feedback loop. The Indian Ocean Dipole and regional climate shifts have both contributed to drier conditions on the mountain.
The montane forests surrounding Kilimanjaro act as a moisture pump — trees transpire water vapour that rises and condenses as clouds and precipitation on the upper slopes. Decades of agricultural encroachment and logging have reduced forest cover on the lower slopes, cutting off this moisture supply. Less moisture reaching the summit means less snowfall to replenish the glaciers. Reforestation efforts are underway but cannot reverse a century of loss overnight.
Unlike mid-latitude glaciers that primarily lose mass through melting, Kilimanjaro's glaciers lose a significant portion of their mass through sublimation — the process where ice converts directly to water vapour without passing through a liquid phase. The intense equatorial solar radiation, combined with dry air at 5,800+ metres, makes sublimation the dominant ablation process. This is why the glaciers have those distinctive vertical ice walls rather than gently sloping melt edges.
As glaciers shrink, they expose more dark volcanic rock. Dark rock absorbs far more solar energy than reflective white ice, heating the surrounding area and accelerating ice loss at the edges. The remaining ice walls retreat inward from all sides simultaneously. At equatorial latitudes, the sun is directly overhead for much of the year, delivering maximum solar radiation to horizontal ice surfaces — particularly devastating for the flat crater-floor glaciers like the Furtwängler.
Understanding the full picture of Kilimanjaro's climate zones and weather patterns helps explain why glacier loss is accelerating at different rates across the mountain.
Yes — and here is what to expect
Every climber who reaches the crater rim or Uhuru Peak can still see Kilimanjaro's glaciers. They remain striking, dramatic, and deeply moving — towering walls of ancient ice standing against the equatorial sky at nearly 6,000 metres. But they are undeniably smaller than what photographs from even 10 years ago show.
The Southern Icefield forms sheer ice cliffs along the crater rim that catch the first light at sunrise. These walls can be 10–15 metres high and are one of the most photographed features of the summit experience.
Visible from the trail between Stella Point and Uhuru Peak, the Furtwängler sits on the crater plateau as a solitary ice block. Your guide can take you alongside it for photographs. It is a sobering, beautiful sight.
Kilimanjaro's largest remaining ice mass, visible from the Rongai and Northern Circuit routes. A vast expanse of white against the dark volcanic landscape — unmistakable and awe-inspiring.
Our Guides' Perspective
Emmanuel has guided over 200 summits and has watched the glaciers recede year by year. “When I started guiding in 2010, the ice walls along the crater rim were noticeably taller and the Furtwängler Glacier was significantly larger. Every season the change is visible. I tell every climber: take your time at the summit. Look at the ice. Photograph it. Because what you see today will not be here in 15 years.”
Glacier retreat is not just an environmental story — it directly affects the climbing experience on Kilimanjaro. Here is how the changing ice is reshaping the mountain for trekkers.
Glacial meltwater feeds streams that some high camps rely on for water supply. As glaciers shrink, these water sources become less reliable. This has already caused operational changes at some camps, with porters carrying water from lower elevations. Your operator's logistics and camp planning matter more than ever.
The Western Breach route, which passes through a zone of receding ice, has seen increased rockfall as ice melt destabilises rocks previously held in place by frozen ground. The Arrow Glacier camp was closed after a fatal rockfall incident. Other routes remain safe, but the mountain's terrain continues to evolve as ice disappears. Our guides monitor conditions constantly and adjust itineraries when necessary.
If seeing Kilimanjaro's glaciers is on your list, waiting is a risk. Every year the ice is smaller, thinner, and less dramatic. The Furtwängler Glacier that trekkers photograph today is a fraction of what it was in 2015. Climbers who summit in 2026 or 2027 will see something that climbers in 2035 almost certainly will not. This is not marketing urgency — it is glaciological fact.
For a comprehensive look at what the climb involves, see our complete Kilimanjaro climbing guide and Kilimanjaro height and summit details.
While no local intervention can reverse the global forces driving glacier loss, significant efforts are underway to protect Kilimanjaro's broader ecosystem and document its changing ice.
Kilimanjaro National Park Authority (KINAPA) has led extensive reforestation projects on the mountain's lower slopes, planting millions of indigenous trees to restore the moisture cycle that feeds summit snowfall. Buffer zones around the park boundary have been expanded to curb agricultural encroachment. While reforestation cannot save the glaciers alone, it protects the broader water catchment that 2 million people depend on.
Teams from Ohio State University, the University of Innsbruck, and Tanzanian research institutions maintain weather stations and conduct regular glacier surveys on the summit. Ice core data from Kilimanjaro has provided over 11,000 years of climate history. This research feeds into global climate models and keeps Kilimanjaro at the forefront of the conversation about tropical glacier loss.
Park fees fund conservation directly — a portion of every climbing permit goes to habitat restoration and anti-poaching patrols. Operators like Snow Africa Adventure participate in Leave No Trace protocols, waste management programmes, and porter welfare standards that reduce the human footprint on the mountain. Responsible tourism is the economic engine that keeps conservation funded.
Kilimanjaro National Park is a UNESCO World Heritage Site. The glacier retreat has triggered enhanced monitoring and reporting requirements, raising the international profile of the issue. UNESCO assessments have repeatedly highlighted the urgency of addressing the root causes — global emissions — while supporting local adaptation measures to protect the mountain's unique biodiversity.
Every summit route passes near glaciers, but some offer dramatically better views than others. If glacier photography and close encounters are a priority, choose your route accordingly.
Glacier views: Southern Icefield, Rebmann & Decken Glaciers
The Machame Route offers some of the most dramatic glacier views on Kilimanjaro. From Barranco Wall, you look up directly at the sheer ice cliffs of the Southern Icefield. The summit night approach via Stella Point passes within metres of towering vertical ice walls. At sunrise on the crater rim, the remaining glaciers glow pink and gold.
Glacier views: Western Glaciers, Furtwängler, Northern & Southern Icefields
Our most recommended route for glacier viewing and summit success. The Lemosho approach from the west provides early views of the Western Breach glaciers. The Lava Tower acclimatization day at 4,630m offers panoramic glacier views. Summit day passes both the Southern Icefield and Furtwängler Glacier up close.
Glacier views: Northern Icefield, Eastern Icefield, all summit glaciers
The only route that circumnavigates Kibo, offering views of glaciers from every angle. The northern traverse provides extended views of the Northern Icefield — Kilimanjaro's largest remaining ice mass — that other routes never see. The full circuit means more time at altitude for photography and appreciation before the final summit push.
Glacier views: Northern Icefield, Furtwängler Glacier
Approaching from Kenya in the north, the Rongai Route provides unique perspectives on the Northern Icefield that southern-approach routes miss. The summit approach passes through Gilman's Point on the crater rim with views across to the icefield. At Uhuru Peak, the Furtwängler Glacier sits just below on the crater floor.
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Kilimanjaro's glaciers are disappearing. With a 93% summit success rate on our recommended 8-day Lemosho route, experienced guides, and routes chosen for the best glacier views — climb now while the ice remains.