Subterranean rivers

terrestrial water source

national park in the Philippines

river in Belgium

river that runs wholly or partly beneath the ground surface

thumb|The Lesse and its tributary the Lomme (river)|Lomme in Belgium The Lesse is a river in the Ardennes, in the Walloon region of Belgium. It is a right tributary to the river Meuse.

The Dommel is a small river in Belgium and the Netherlands, left tributary of the Dieze. It is 120 km long, of which 85 km are in the Netherlands. The Dommel takes in water from the Keersop, Tongelreep, Run, Gender and Kleine Dommel streams and merges at 's-Hertogenbosch with the Aa stream to form the river Dieze, which subsequently flows towards the Meuse. The main cities and towns along the Dommel's course are Peer, Neerpelt, Valkenswaard, Dommelen, Eindhoven, Son en Breugel, Sint-Oedenrode, Boxtel, Sint-Michielsgestel and 's-Hertogenbosch.

river in Moscow, Russia

river in France, tributary of the Seine

The Poltva (; ) is a river in the western Ukrainian Oblast of Lviv and a tributary of the Bug. The Poltva valley cuts between the Podilian Plateau and Roztichia. The capital of the Lviv Oblast, Lviv, is located on the river, with the river flowing directly beneath Lviv's central street, , and the Lviv Theatre of Opera and Ballet.

The Pazinčica or Pazinski potok (, Fojba), locally Potȍk or Patȍk, is a river in the central part of the Istrian peninsula, west Croatia. It flows above ground before entering its ponor, the , continuing as a subterranean river. It is the longest such river in Istria.

The Bussento is a river in southwestern Italy. Originating from Cervati mountain, it flows in the Campanian territory of Cilento, in the Province of Salerno. Its mouth is by the Tyrrhenian Sea, nearby Policastro Bussentino.

The Presnya () is a river in Moscow (Russia) and a left tributary of the Moskva. In 1908, the Presnya was led into an underground concrete tube. The Presnya gave its name to the Presnensky District of central Moscow.

covering and later diverting of the main river of Brussels

river in Hobart, Tasmania, Australia

river in Slovenia

former river in Paris, France