Pelso may refer to:
*Lake Pelso (Latin: ''Lacus Pelso''), the modern
Lake Balaton
*
Pelso Strict Nature Reserve in Finland
*
Pelso Plate
Pelso Plate or Pelsonia Terrane is a small tectonic unit. It is situated in the Pannonian Basin in Europe. The Carpathian Mountains and the basin surrounded by them were formed from the Cretaceous until the Miocene in the collision of continental ...
in the Carpathian Basin
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