The Marismeño is a rare breed of horse indigenous to the marshes of the Guadalquivir

Guadalquivir

The Guadalquivir is the fifth longest river in the Iberian peninsula and the second longest river to be its whole length in Spain. The Guadalquivir is 657 kilometers long and drains an area of about 58,000 square kilometers...

 River, from which it takes its name. It is now found particularly in the Doñana National Park

Doñana National Park

-Conservation:In 1989 the surroundings of the national park were given more protection when a buffer zone was declared a natural park under the management of the regional government. The two parks, national and natural, have since been classified as a single natural landscape.In 1994 UNESCO...

, which lies mostly in the province of Huelva

Huelva

Huelva is a city in southwestern Spain, the capital of the province of Huelva in the autonomous region of Andalusia. It is located along the Gulf of Cadiz coast, at the confluence of the Odiel and Tinto rivers. According to the 2010 census, the city has a population of 149,410 inhabitants. The...

, in Andalusia

Andalusia

Andalusia is the most populous and the second largest in area of the autonomous communities of Spain. The Andalusian autonomous community is officially recognised as a nationality of Spain. The territory is divided into eight provinces: Huelva, Seville, Cádiz, Córdoba, Málaga, Jaén, Granada and...

, southwestern Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. Until recently it was not considered a breed; recognition and recovery began in 2003. It is listed in the Catálogo Oficial de Razas de Ganado de España in the group of autochthonous breeds in danger of extinction.