Kukulagala /Diyathalawa (කුකුළාගල/ දියතලාව) is a mountain range situated at Rikillagaskada town in Kandy district. This traingular shape mountain was popular among surveyors as a measuering point. British surveyor called C. Erskine has been there in 1910 and his engraved letters can be found at top of Diyathalawa Mountain. Other than Erskine, some other surveyors also have visited there. (Ambeek in 1924)