Arroyo Negro is a stream located in the Tigre area of Buenos Aires Province, Argentina, flowing through the lush waterway network characteristic of the Paraná Delta region. This productive freshwater stream offers anglers access to a diverse mix of native South American species in a setting defined by dense riparian vegetation, slow-moving dark-tinted waters, and the interconnected channel system typical of the delta lowlands. The stream draws both local and visiting anglers looking to experience the rich biodiversity of Buenos Aires Province's inland waterways.