Cachapoal may refer to: Cachapoal, Bío Bío, a village located in the municipality of San Carlos, in Ñuble Province, Bío-Bío Region, Chile Cachapoal Province, a province of the region of O'Higgins, Chile Cachapoal River, a tributary river of the Rapel River in Chile located in the Libertador General Bernardo O'Higgins Region. Cachapoal Valley Cachapoal Valley (wine region), a wine growing area in the Cachapoal Province of central Chile