The Apaščia is a river of Biržai district municipality, Panevėžys County, northern Lithuania. It flows for 88 kilometres and has a basin area of 893 km².
It is a left tributary of the Nemunėlis.LIETUVOS RESPUBLIKOS UPIŲ IR TVENKINIŲ KLASIFIKATORIUS (Republic of Lithuania- River and Pond Classifications) . Ministry of Environment (Lithuania). Accessed 2011-11-17.
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