sentences:  The county contains Dixon Springs State Park, one of many state parks in the Illinois Shawnee Hills, and is part of the Shawnee National Forest.It is bordered to the south and east by the Ohio River, which marks the state's border with Kentucky.In recent years, average temperatures in the county seat of Golconda have ranged from a low of in January to a high of in July, although a record low of was recorded in January 1994 and a record high of was recorded in August 2007.