Colombia faces a critical security inflection point as the National Liberation Army (ELN), the country’s last remaining major left-wing guerrilla insurgency, prepares for a potential return to full-scale conflict. This escalation follows a decisive shift in state policy under President Abelardo de la Espriella, who has vowed a renewed military offensive to dismantle the rebel organization. The transition from tentative peace negotiations to a posture of active combat threatens to destabilize regional security and reverse years of fragile progress in the Colombian peace process.
The current tension has manifested in increased guerrilla activity and heightened alertness in the Colombian hinterlands. Recent reports indicate that ELN combatants have adopted aggressive surveillance postures in strategic jungle corridors. In one documented instance, camouflaged fighters were observed monitoring riverbanks from the tree line as government-linked vessels approached, signaling a state of high readiness. Within the dense canopy of the jungle, ELN commanders have been spotted coordinating movements and strategizing responses to the government’s planned operations. These movements suggest that the ELN is not merely reacting to threats but is actively preparing its infrastructure for a sustained military engagement.
The catalyst for this shift is the explicit policy change enacted by the administration of President Abelardo de la Espriella. Breaking from previous approaches that prioritized dialogue and negotiated settlements, de la Espriella has committed to a military-first strategy. The president’s vow to launch a comprehensive offensive marks a departure from the “Total Peace” aspirations of previous administrations, signaling to the ELN that the window for diplomatic resolution is closing.
This development is significant because the ELN represents a persistent and sophisticated challenge to Colombian state sovereignty. Unlike other rebel factions that have integrated into civilian life or fragmented into smaller criminal gangs, the ELN has maintained a coherent ideological structure and a disciplined military hierarchy. A return to open warfare would not only increase the immediate casualty count among security forces and guerrilla fighters but would likely result in significant collateral damage to rural civilian populations.
Furthermore, the ELN’s operational capacity is intertwined with the illicit economy. The group maintains control over key territories used for the cultivation and trafficking of cocaine, as well as illegal mining operations. A military offensive targeting these strongholds could lead to a violent struggle for territorial control, potentially drawing in other paramilitary groups and transnational criminal organizations.
The ELN was founded in the 1960s, drawing inspiration from the Cuban Revolution and focusing on the redistribution of land and the nationalization of natural resources. For decades, it has operated as a shadow government in various remote regions of Colombia, providing a rudimentary form of justice and administration while funding its insurgency through kidnapping and extortion. While the FARC (Revolutionary Armed Forces of Colombia) reached a landmark peace deal in 2016, the ELN remained outside that agreement, continuing to wage a low-intensity conflict characterized by guerrilla ambushes and the targeting of energy infrastructure.
The failure to bring the ELN into a comprehensive peace framework has left a vacuum of authority in the Colombian periphery. The group has historically used the jungle’s impenetrable terrain to evade state capture, utilizing a decentralized command structure that allows local fronts to operate with a degree of autonomy while remaining loyal to the central leadership. The current mobilization suggests that the ELN views the de la Espriella administration’s offensive not as a law enforcement action, but as an existential threat requiring a total military response.
Analysis: The current trajectory suggests a calculated gamble by the de la Espriella administration. By opting for a military offensive over negotiation, the government is attempting to project strength and reclaim territorial control. However, this strategy risks triggering a “security dilemma” where the ELN’s defensive preparations are interpreted by the state as offensive provocations, leading to an escalatory spiral of violence.
The ELN’s strategy appears to be one of strategic deterrence. By demonstrating their readiness and visibility in the jungle, they are signaling to the government that the cost of a military offensive will be prohibitively high. The group is likely betting that the Colombian public will eventually tire of a renewed war, thereby forcing the government back to the negotiating table from a position of ELN strength.
From a geopolitical perspective, a return to war in Colombia could destabilize neighboring borders and disrupt international efforts to combat narcotics trafficking. If the state loses further control over rural corridors, the ELN and its allies may expand their influence, complicating diplomatic relations within South America.
Moving forward, several key indicators will determine whether the country slides into full-scale war. First, the scale and timing of the government’s initial strikes will be critical; a high-profile operation targeting top ELN leadership could either break the insurgency’s will or provoke a wave of retaliatory attacks on urban centers and infrastructure. Second, the reaction of the civilian population in ELN-controlled areas will be pivotal. If the military offensive results in high civilian casualties, it may drive more rural inhabitants toward the insurgency for protection.
Observers should also monitor the ELN’s internal cohesion. While the group currently appears unified in its preparation for war, the pressure of a sustained military campaign often creates fractures within guerrilla hierarchies. Any sign of internal dissent or the emergence of splinter groups could change the dynamics of the conflict.
The situation in Colombia remains precarious. The transition from the hope of peace to the preparation for war reflects a broader struggle between the state’s desire for absolute control and the insurgency’s refusal to surrender its territorial and ideological grip. As the ELN settles into the dim understory of the jungle to plan its counter-offensive, the risk of a prolonged and bloody conflict grows, threatening the stability of the region and the lives of millions of Colombians.
Sources:
https://www.theguardian.com/world/ng-interactive/2026/aug/07/colombia-on-the-brink-eln-guerrilla-group-prepares-for-return-to-war
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Story synopsis gathered from: The Guardian World — source
