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.