Colombia's Alluvial Gold Mining Expands as Illegal Operations Accelerate
A joint UN and Colombian government survey documented that alluvial gold mining operations covered 118,410 hectares in 2025, representing 4.5% growth compared to the previous year, with illegal mining expanding even faster at 10% annually. Approximately three-quarters of the mining area operates without permits, often in regions controlled by armed groups and on lands belonging to Black communities. The findings highlight growing environmental and security concerns as gold extraction continues to intensify across Colombia's riverbed and floodplain regions.
Colombia's alluvial gold extraction—the process of mining gold from riverbeds and floodplains—has accelerated significantly following a recovery period. After declining in 2021 and 2022, the footprint of mining activity has expanded consecutively for three years. The expansion is geographically concentrated, with three departments accounting for the vast majority of unlicensed operations, while activity has now spread to fifteen regional jurisdictions nationwide.
The environmental implications are severe. Mining occurs in approximately 58,000 hectares of protected areas, including nearly 43,000 hectares within the Pacific Forest Reserve—recognized as one of Earth's most biodiverse ecosystems. Within national parks specifically, the mined area tripled between 2023 and 2025, indicating rapid encroachment into legally protected zones.
The expansion poses cascading challenges for multiple stakeholders. Gold importers and refiners may face supply chain compliance pressures as traceability becomes more scrutinized internationally. Black communities whose collective lands contain 45% of mining activity could experience intensified land-use conflicts and environmental degradation. Armed groups reportedly control mining regions, potentially linking commodity extraction to broader security concerns. The lack of production targets or implementation timelines from authorities suggests enforcement capacity constraints may limit near-term policy effectiveness.