Bowie County is in the far northeastern corner of the state, bordered by the Red River on the north, with Arkansas and Oklahoma across its northern boundary and Arkansas to the east. The county occupies 891 square miles of the East Texas Timberlands. The terrain is level to gently rolling; its elevation ranges from 200 to 450 feet above mean sea level. The county is drained by the Red and Sulphur rivers, which form its northern and southern boundaries. Most of the soils are either loamy or clayey. Mineral resources include oil, gas, lignite, and ceramic clay. The county also has abundant forest lands, and in 1981 its timber production totaled 10,292,035 cubic feet. Temperatures range from an average high of 94°F in July to an average low of 30° in January. Rainfall is abundant, averaging forty-seven inches a year, and the growing season is long, an average of 235 days annually.