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
Alsea Falls Alsea Falls Alsea Falls, is a waterfall located in the heart of the Central Oregon Coast Range, just west of Monroe, in Benton County, in the U.S. state of Oregon. It totals 30 feet fall in one gradual cascade and is the centerpiece attraction of the Alsea Falls trailhead and Recreation Site. Alsea Falls is located along a Bureau of Land Management Back Country Byway surrounded by Oldgrowth Douglas fir and western redcedar forests. The waters of the Alsea Falls are located downstream of the South Fork Alsea River. The name of the waterfall and the river the forms it