Grenola was formed in 1879 when the two communities of Greenfield and Canola relocated along the new railroad line. The community for a time was a rowdy cowtown, being a major shipping point for the cattle driven north from Oklahoma and Texas. Later, in the early 1900
Grenola, KS MuseumsOswego Dam Located on the Neosho River at the north end of town, the dam is easily accessible and known for its wide varie...