Mainalo is the tallest mountain in the Menalon highlands of the Peloponnese, and is located in Arcadia. The mountain's highest point, known as both Profitis Ilias and Ostrakina, at a height of 1,981 m, is the highest point in Arcadia. The mountain has a length of 15 to 20 kilometres from southwest of Tripoli to northeast of Vytina, and a width of 5 to 1…Mainalo is the tallest mountain in the Menalon highlands of the Peloponnese, and is located in Arcadia. The mountain's highest point, known as both Profitis Ilias and Ostrakina, at a height of 1,981 m, is the highest point in Arcadia. The mountain has a length of 15 to 20 kilometres from southwest of Tripoli to northeast of Vytina, and a width of 5 to 10 kilometres from Zygovisti to Kapsas. The mountain is part of a Natura 2000 site, designated in March 2011, covering an area of 226.4 square kilometres. In the 19th and early 20th century, the mountain was known as Apano Chrepa.