Modern 7 1/2-minute topographic maps are available for all of the county (Fig. The lowest point, about 1,220 feet above sea level, is where the Arkansas River leaves the county to the south. The highest point in the county, about 1,540 feet above sea level, is on its west edge, about 5 miles southwest of Andale. The topography of the county is characterized by the extreme flatness of the broad Arkansas River valley and the gently rolling slopes rising to the uplands adjacent to the valley.
The location of the county with respect to other physiographic areas of the State is shown in Figure 3.
Sedgwick County, with the exception of the northeast corner, lies within the Arkansas River Lowlands section of the Central Lowland physiographic province (Schoewe, 1949).
