 The oil heritage of Venanago County is remembered by a Pennsylvania State Park and many heritage sites which help tell the story and memorialize the people of the oil boom of the late 19th and early 20th centuries.According to the U.S. Census Bureau, the county has a total area of , of which is land and (1.3%) is water.French Creek is formed near French Creek, New York and extends for a length of 117 miles (188 km) with a drainage area of 1,270 square miles (3,289 km²).