What is Boston Mountains?
[[Image:BuffaloRiver.jpg|thumb|Buffalo River from river trail overlook near Steel Creek in the Boston Mountains]] The '''Boston Mountains''' area is a high and deeply [[Plateau|dissected plateau]]. They are located in [[north]]ern [[Arkansas]] and [[east]]ern [[Oklahoma]]. The Oklahoma portion of the [[Mountain range|range]] is locally called the [[Cookson Hills]]. The [[Rock (geology)|rocks]] of the region are [[sedimentary]] [[:wikt:layer|layers]] of the [[Paleozoic]] age. The highest [[:wikt:ridge|ridges]] and [[peak]]s are capped by [[Pennsylvanian]] [[sandstone]] and [[shale]]. The deeply [[eroded]] [[valleys]] are cut into [[Mississippian]] [[limestone]]s and below that layer [[Ordovician]] [[dolomite]]s. The Boston Mountains form the [[southwest]]ern part of the [[The Ozarks|Ozark]] plateau. They are the highest and most rugged part of the Ozarks. This is because of their young age relative to the other sections. The highest point is 2,578 feet.<ref>Fred Pfister, ''Insiders' Guide® to Branson and the Ozark Mountains'' (Guilford, CT: Insiders' Guide, 2009), p. 14</ref> It has valleys 500 to 1,550 feet deep. Turner Ward Knob (TWK) is the highest named peak. It is in western [[Newton County, Arkansas]] and rises to {{convert|2463|ft}}. The Boston Mountains are the source of several [[river]]s and [[stream]]s. They flow out from the mountains in all directions. The Boston mountains are the sources of the [[White River (Arkansas)|White River]], the [[Buffalo National River|Buffalo River]], the [[Kings River (Arkansas)|Kings River]] and War Eagle Creek.<ref>Geological Survey of Arkansas, ''Annual Report of the Geological Survey of Arkansas'' (Little Rock: Office of the Geological Survey of Arkansas, 1892), p. 331</ref> Other rivers and streams having their headwaters in the Boston Mountains include the [[Illinois River (Oklahoma)|Illinois River]], the [[Mulberry River (Arkansas)|Mulberry River]], [[Lee Creek (Arkansas)|Lee Creek]], Frog Bayou, Big Piney Creek, Illinois Bayou, and the [[Little Red River (Arkan