36°19′15″N 95°25′22″W / 36.320929°N 95.422750°W
The Osage Hills is a hilly area in Oklahoma, commonly known as The Osage. The name refers to the broad rolling hills and rolling tallgrass prairie and Cross Timbers encompassing Osage County and surrounding areas, including portions of Mayes, Tulsa, Washington and Kay Counties. The Osage is the southern extension of the Flint Hills of Kansas.