Hernandarias Subfluvial Tunnel

The Raúl Uranga – Carlos Sylvestre Begnis Subfluvial Tunnel (in Spanish, Túnel Subfluvial Raúl Uranga - Carlos Sylvestre Begnis), formerly known as the Hernandarias Subfluvial Tunnel, is an underwater road tunnel that connects the provinces of Entre Ríos and Santa Fe in Argentina, crossing the Paraná River between the capital of Entre Ríos, Paraná, and Santa Cándida Island, 15 km from Santa Fe.