Laguna Galarza is a significant natural lake nestled within the vast Iberá wetlands of Corrientes Province, Argentina — one of the most ecologically rich freshwater systems in South America. Sitting within the Esteros del Iberá, this lagoon is part of a sprawling network of lakes, marshes, and waterways that together form one of the continent's premier freshwater fishing destinations. The lake has been monitored for water levels since 1968, with a historical mean water level of approximately 1.35 meters, and exhibits a seasonal amplitude of roughly 0.31 meters. Like all the lagoons of the Iberá system, Galarza is subject to inter-annual water level variability, which directly influences fish distribution, vegetation structure, and overall fishability from year to year.