Mountain Irau (Gunung Irau) is 2110 m (6900ft), making it the tallest peak in Cameron Highlands and the 15th tallest in Malaysia. Gunung Irau is a popular destination among hikers, who usually trek there from nearby Gunung Brinchang, a journey of three hours each way, passing through the fragile ecosystem of the Mossy Forest. At the peak of Gunung Irau is a marker that marks the boundary between Perak and Pahang.