The Knobs Region or The Knobs is located in the US state of Kentucky. It is a narrow, arc-shaped region consisting of hundreds of isolated hills. The region wraps around the southern and eastern parts of the Bluegrass region in the north central to northeastern part of the state. The western end of the Knobs region begins near Louisville, Kentucky and continues southeastward through Bullitt, Hardin, Nelson, LaRue, Marion, Taylor, Boyle, Casey and Lincoln counties before turning northeast and running along the Pottsville Escarpment and the Appalachian Plateau. The Knob arc has a length of . Many of the hills are conical and up to several hundred feet high, some with capstones that form cliffs. The monadnocks formed from the eroding margins of the Pennyroyal Plateau to the south and the Cumberland Plateau to the east. The caprock is Mississippian Harrodsburg Limestone and the slopes are Borden Formation shales of Devonian to Mississippian age. See also Knobs State Forest References External links Topomap of knobs Regions of Kentucky Geography of Jefferson County, Kentucky Geography of Bullitt County, Kentucky Geography of Hardin County, Kentucky Geography of Nelson County, Kentucky Geography of LaRue County, Kentucky Geography of Marion County, Kentucky Geography of Taylor County, Kentucky Geography of Casey County, Kentucky Geography of Lincoln County, Kentucky