Lagoa do Peixe National Park (Portuguese: Parque Nacional da Lagoa do Peixe) is a national park in the state of Rio Grande do Sul, Brazil. It was created in 1986 to protect a wintering zone for migratory birds along the Lagoa dos Patos, the estuary of the Guaiba river or Guaíba Lake about 200km south of Porto Alegre.
