Ranquil River Ranquil River (Spanish: Río Ránquil) is a stream of the Biobío Region of Chile.[1] Hydrography of Biobío RegionRivers Andalién Biobío Bureo Carampangue Duqueco Guaqui Laja Laraquete Lebu Licauquén Lirquén Lleulleu Mulchén Paicaví Pilmaiquén Quilacoya Queuco Quiapo Quidico Rahue Ranquil Rele Renaico Vergara Tavolevo Tirúa Tubul Tucapel Waterfalls Laja Rahue Lakes Laja Lanalhue Lleulleu References ^ "Verification".