The disappearance of the glacier in the Cerros de la Plaza marks an environmental milestone in Colombia. In March 2026, satellite measurements confirmed that its surface area was reduced to 0 km².
This body of ice, located in the Sierra Nevada de Güicán, evidenced a sustained process of retreat over decades.
Moreover, its reduction was not sudden. On the contrary, it was a progressive transformation that began to be recorded since the 19th century.
During that period, the glacier covered approximately 5.5 km². However, by 2016 it had already decreased to just 0.15 km², anticipating its disappearance.
A vulnerable ecosystem in the Eastern Cordillera
The glacier was located in the Eastern Cordillera, between Boyacá, Casanare, and Arauca. This region concentrates important high mountain ecosystems.
Likewise, these environments fulfill key ecological functions. Among them, water regulation and the support of biodiversity adapted to extreme conditions.
However, tropical glaciers exhibit a high climate sensitivity. Therefore, any variation in temperature or precipitation directly impacts their stability.
Consequently, their disappearance represents a profound transformation of the landscape and the ecosystem services they provide.
Causes explaining the glacier’s disappearance
The retreat of the glacier is due to multiple interrelated factors. Firstly, the sustained increase in temperature accelerated the melting of the ice.
Additionally, there was a progressive decrease in precipitation in the form of snow. This reduced the glacier’s regeneration capacity.
On the other hand, its relatively low altitude, close to 5,000 meters, increased its vulnerability. Compared to other Andean glaciers, it was more exposed to warming.
Furthermore, the combination of these factors generated a cumulative process. Consequently, the system lost its balance until it disappeared completely.
Consequences of climate change in mountain ecosystems
The loss of this glacier directly affects the water regulation in the region. Firstly, it decreases the water availability during dry seasons.
Moreover, it alters the natural cycles of the high mountain ecosystems. This impacts both the flora and local fauna.
On the other hand, glaciers function as climatic indicators. Their disappearance evidences structural changes in the global environmental system.
Likewise, this phenomenon may replicate in other Andean zones. Consequently, it increases the risk for communities that depend on these resources.
Finally, the reduction of glaciers contributes to hydrological imbalances. This could lead to more frequent droughts or extreme events.
A warning for future environmental management
The case of the glacier in the Cerros de la Plaza is not an isolated event. It represents a concrete signal of the advance of climate change in the region.
Moreover, it highlights the need to strengthen conservation policies. The protection of mountain ecosystems is key to mitigating impacts.
On the other hand, satellite monitoring is consolidated as a fundamental tool. It allows for anticipating and understanding these processes with greater precision.
Ultimately, the disappearance of the glacier leaves an urgent lesson. Coordinated environmental action will be crucial to preserve natural systems in the future.
