The Pat River () is a tributary on the east bank of the Nicolet Southwest River. It crosses the municipalities of Sainte-ÃÂlizabeth-de-Warwick, Sainte-Séraphine and Sainte-Clotilde-de-Horton in the Arthabaska Regional County Municipality (MRC), in the administrative region of Estrie, in Quebec, in Canada.
The main neighboring hydrographic slopes of the Pat river are:
The Rivière àPat originates from various streams in the municipality of Sainte-ÃÂlizabeth-de-Warwick, very close to the limit of the municipality of Kingsey Falls.
From its source, Pat's River flows on in the following segments:
The Rivière àPat drains on the east bank of the Nicolet Southwest River. Its confluence is located upstream from ÃÂle Lemire and upstream from the village of Sainte-Clotilde-de-Horton.
The toponym "Rivière àPat" was formalized on September 5, 1985, at the Commission de toponymie du Québec.