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
Melincourt Falls falls are considered by some to constitute a part of Waterfall Country though the bulk of these falls are a few miles further northeast at the head of the Vale of Neath. It can be accessed by the public footpath from the B4434 Resolven to Tonna Road, south of Resolven. The entrance to the path is on the opposite side of the road from the public car park. The falls (otherwise known as Melincwrt Falls), can also be viewed from above where a minor public road bridges the brook immediately upstream of the drop. <br> Melincourt Falls Melincourt Falls is