Guyana the dryer savannah areas in the south-west; and the smallest interior lowlands (interior savannah) consisting mostly of mountains that gradually rise to the Brazilian border. Some of Guyana's highest mountains are Mount Ayanganna (), Monte Caburaí () and Mount Roraima ( – the highest mountain in Guyana) on the Brazil-Guyana-Venezuela tripoint border, part of the Pakaraima range. Mount Roraima and Guyana's table-top mountains (tepuis) are said to have been the inspiration for Sir Arthur Conan Doyle's 1912 novel "The Lost World". There are also many volcanic escarpments and waterfalls, including Kaieteur Falls which is believed to be the largest water
Valley Falls, South Carolina a median income of $32,051 versus $26,483 for females. The per capita income for the CDP was $17,162. About 3.1% of families and 7.3% of the population were below the poverty line, including 1.2% of those under age 18 and 8.7% of those age 65 or over. Valley Falls, South Carolina Valley Falls is a census-designated place (CDP) in Spartanburg County, South Carolina, United States. The population was 6,299 at the 2010 census. Valley Falls is located at (35.003264, -81.966821). According to the United States Census Bureau, the CDP has a total area of , of which , or 0.57%,