Gmmv1980 · CC BY-SA 4.0Estación Biológica Tres Gigantes
Guyra Paraguay's reserve in the Pantanal, on the banks of the Negro River: the gateway to the great wetland.
What to see and do
- Named after three threatened giants: the giant otter, the giant anteater and the giant armadillo
- Herons, jabirus and Pantanal waterbirds
- A wetland landscape recovering from the major fires of recent years
Access
Managed by Guyra Paraguay since 2008. It lies about 40 km from Bahía Negra and can only be reached by river. Stays and transfers are arranged with Guyra Paraguay; check availability before you go. In dry years the fire risk is high between August and October.
Nearby
Bahía Negra (río Negro) · Alto Paraguay
Estación Biológica Los Tres Gigantes
A Pantanal reserve reachable only by boat, named after the giant otter, the giant anteater and the giant armadillo.
Bahía Negra · Alto Paraguay
Parque Nacional Río Negro y Puerto Caballo (triple frontera)
Pristine Pantanal wetlands and the corner where Paraguay, Bolivia and Brazil meet.
Bahía Negra · Alto Paraguay
Bahía Negra y el Pantanal paraguayo
The last Paraguayan town upriver: caimans, capybaras, otters and Yshir culture in the Pantanal.
Researched and reviewed in September 2026 with 2 sources. A second reviewer checked dates, coordinates and lodging. Hours and prices may change.