The Foix () is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...

Catalonia Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a '' nationality'' by its Statute of Autonomy. Most of the territory (except the Val d'Aran) lies on the nort ...

in the province of

Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within ci ...

, northeastern

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

. Its source is near

La Llacuna La Llacuna is a municipality of 884 inhabitants (2003), located in the '' comarca'' of Anoia, in the province of Barcelona, Catalonia, Spain. It is a tourist town; nearby destinations include Igualada, the Vilafranca del Penedès wine route, an ...

in the

Comarca A ''comarca'' (, or , or ) is a traditional region or local administrative division found in Portugal, Spain and some of their former colonies, like Brazil, Nicaragua, and Panama. The term is derived from the term ''marca'', meaning a "march, ...

Anoia Anoia () is a comarca (county) in central Catalonia, Spain, with its capital at Igualada. The comarca of l'Anoia is irrigated by the Anoia River; the leading industry is the making of paper. To the north are Solsonès and Bages, to the west, ...

800 m above the sea. Later it runs through the Comarca of

Alt Penedès Alt Penedès () is a comarca (county) in Catalonia, northern Spain. The capital is Vilafranca del Penedès Vilafranca del Penedès, or simply Vilafranca (), is the capital of the ''comarca'' of the Alt Penedès in Catalonia, Spain. The Spanis ...

, where it feeds a reservoir in the

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, or features of geological or ...

of Parc del Foix since 1928, which is highly important for the drinking water supply of the densely populated coastal plain between

and

Tarragona Tarragona (, ; Phoenician: ''Tarqon''; la, Tarraco) is a port city located in northeast Spain on the Costa Daurada by the Mediterranean Sea. Founded before the fifth century BC, it is the capital of the Province of Tarragona, and part of Tarr ...

. Then it goes through the Comarca of

Garraf Garraf (), better known as El Garraf (), is a comarca (county) in the province of Barcelona, Catalonia, northern Spain. It is named after the Garraf Massif. The GR 92 long distance footpath, which roughly follows the length of the Mediterrane ...

from north to the south where it ends into the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ...

west of the village of

Cubelles Cubelles is a municipality in Catalonia, in the province of Barcelona, Spain. It is situated in the comarca of Garraf. Culture A 2005 film by the Spanish director Paco Plaza, "''Cuento de navidad ''Cuento de Navidad'' (English: ''A Christm ...

. This little

delta Delta commonly refers to: * Delta (letter) (Δ or δ), a letter of the Greek alphabet * River delta, at a river mouth * D ( NATO phonetic alphabet: "Delta") * Delta Air Lines, US * Delta variant of SARS-CoV-2 that causes COVID-19 Delta may also ...

became an important natural reserve and recreational area after the campground ″Camping Paradiso″ was removed in the late 1990s. For most of the year, the river is dried up because of the dam and because of hot-summer climatical reasons. That can suddenly change in the winter months when heavy rain comes down in the mountains.

See also