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
Joyce Country Joyce Country Joyce Country () is a cultural region in counties Galway and Mayo in Ireland. Part of the area falls within the Connacht Gaeltacht. There are about 2,000 people living in the area and about 25% of those are native Irish speakers. Joyce Country lies west of the Lough Mask area, beyond the isthmus; a hilly region in the north of County Galway, extending into the southern part of County Mayo, traversed by green valleys and lonely roads. There exists a Joyce Country Mountain and Lake District which covers the area south of Lough Mask, including the communities from