Paraná Delta, River delta network in Buenos Aires Province, Argentina
The Paraná Delta is a sprawling wetland in Buenos Aires Province where the river branches into hundreds of channels and forested islands before reaching Río de la Plata. The largest islands are covered with willows, poplars, and native trees, while narrower waterways wind through dense reeds and floating vegetation.
Guaraní communities used the waterways for centuries to fish and grew small gardens on raised ground. European settlers arrived in the 19th century and planted fruit trees, changing the landscape of the islands.
Residents have built simple wooden walkways connecting their homes on the islands, and many use small boats as their daily means of transport. Some families sell homemade jars of honey and jam directly from their floating docks.
Regular boats leave from Tigre to the main islands, and crossings take between ten minutes and an hour depending on your destination. Paths on the islands are often unpaved and can become muddy after rain, so sturdy footwear and insect repellent are advisable.
This delta grows about 70 meters (230 feet) downstream each year as sediments build up new land. The movement slowly shifts the coastline and creates new islands that become colonized by plants over time.
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