Features And Landforms of Guyana. By: Sahana Rattan, Aleena Syne, Maahira Najmuddeen, Ruqaya Laban, Jael Samuel, What Are Land Forms? Land Forms Are A Natural Feature Of The Earth’s Surface, Land Forms Include: Mountains, Lakes, Caves, Valleys, Waterfalls, etc. Examples Of Land Forms In Guyana: Essequibo River (River) Mount Ayanganna (Mountain) The Essequibo River The Essequibo River is located in east central Guyana and is one of the largest rivers between the Amazon river and the Orinoco river. The Essequibo River rises in the Acarai Mountains and flows northward for approximately 630miles (1,010km) The Essequibo River carry’s on through savannahs and forests to the Atlantic Ocean Mount Ayanganna Mount Ayanganna is a sandstone tepui in the Pakaraima Mountains of western Guyana and is located 85 kilometres (53 miles) east of Mount Roraima. With a height of 2,041 metres (6,600 ft) Mount Ayanganna is the easternmost tepui taller than 2,000 metres (6,000 ft). The Map of Guyana