Aranayaka (Sinhalese: අරණායක) is a town in the Kegalle District of Sabaragamuwa Province in Sri Lanka. Its agricultural economy revolves around local rubber, tea, banana and mahogany plantations.The Mawanella-Aranayaka-Horawella Road (Highway B278) passes through the middle of the city, running parallel to the Maha Oya on the east side. Dippitiya, a town situated 3 km (1.9 mi) north of Aranayaka, has a greater population but fewer amenities.