Ishowspeed Gulp

The Gulp is a 21 kilometres long river in eastern Belgium and southeastern Netherlands. It flows through the Belgian provinces of Liège and Limburg, and the Dutch province of Limburg. It is a strongly meandering, fast flowing, left-bank tributary of the Geul river. Because of it strong meanders, it is difficult to determine its exact length.
  • Country: Belgium, Netherlands
  • Length: 20.7 km (12.9 mi)
  • Progression: Geul→ Meuse→ North Sea
Data from: en.wikipedia.org