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
South American Cross Country Championships South American Cross Country Championships The South American Cross Country Championships is an annual continental cross country running competition for athletes from South America or, more specifically, member countries of CONSUDATLE. It was first held in 1986, making it the oldest of the continental cross country championships. The event is typically held in late February or early March. The South American Championships in Athletics were the precursor to the competition in that cross country was featured on the main athletics programme between 1924 and 1949. After the introduction of an independent championships in 1986, multiple races were held: the initial