Mount Le Conte lies in the Appalachian Blue Ridge geologic and physiographic province. Finally, the ecoregions are divided into ecosections for minor physiographic and macroclimatic or oceanographic variations. The most populous physiographic region is the Saint Lawrence Lowland. It belongs to the southern Piedmont physiographic province. The climatic types of each of the three physiographic regions differ. The county lies totally within the Piedmont physiographic region. The lowlands are split into these sub-regions by intrusions from adjacent physiographic regions. These ridges and valleys are part of the Ridge-and-Valley Appalachians physiographic province. West Texas is often subdivided according to distinct physiographic features. The county lies in the High Plains of the Great Plains physiographic region. The basin has five well defined physiographic regions. It is one of three distinct physiographic provinces of the African massive physiographic division. The swell is part of the Colorado Plateau physiographic region. There are five distinct physiographic regions of Vermont. These physical features divide the country into two physiographic regions.