Vergara River

{{Infobox river

| name = Vergara River

| image = Mulchen-los-angeles-angol-collipulli.jpg

| image_caption = Malleco River, flows into the Vergara River

| source1_location = junction of the Malleco and Rehue

| mouth_location = Biobío River

| subdivision_type1 = Country

| subdivision_name1 = Chile

| length =

| source1_elevation =

| discharge1_avg =

| basin_size =

}}

The Vergara River is a river located in the Intermediate Depression of Chile. The river rises at the junction of the Malleco and Rehue rivers, close to the city of Angol.{{in lang|es}} [http://www.sinia.cl/1292/articles-31018_BioBio.pdf Cuenca del río Biobío] {{Webarchive|url=https://web.archive.org/web/20150513020751/http://www.sinia.cl/1292/articles-31018_BioBio.pdf |date=2015-05-13 }} The Cordillera de Nahuelbuta barrier forces the river to flow northward. At the latitude of the town of Renaico, the Vergara is joined by its main affluent, the Renaico River. From its confluence with the latter river to its confluence with the Liñeco Creek, the Vergara River marks the boundary between the regions of Bío Bío and La Araucanía.{{in lang|es}} [http://www.bcn.cl/leyes/pdf/actualizado/3438.pdf Chilean Decree with Force of Law 1-18,715]

The town of Nacimiento lies near the confluence with the Biobío River.