Eganville is a community occupying a deep limestone valley carved at the Fifth Chute of the Bonnechere River in Renfrew County, Ontario, Canada. Eganville lies within the township of Bonnechere Valley. Eganville is also known as the Ordovician Fossil Capital of Canada. There are many fossils to be found in this area from approximately 500 million years ago including coral, crinoids, trilobites, cephalopods, gastropods, pelecypods, stromatolites, and brachiopods.