Rayamangalam is a village (Grama punchyathu) in the Ernakulam district of Kerala state, India. It is close to the towns Kuruppampady, Perumbavoor, Muvattupuzha and Kothamangalam. Rayamangalam have a number of rock mining quarries and stone crushers. The surrounding hills are either planted with latex trees, or are being quarried. Another major activity is wood processing to produce plywood, matchsticks and other products. The Punchayath office is located at Nellimolam, on the Keezhillam- Kurichilakkodu road from Aluva Munnar Road (AM road). The main roads passes through this punchayath are MC road and Aluva Munnar (AM) road. A canal, part of the Periyar Valley Irrigation Project, origiunate from the Periyar River at Boothankettu passes through the heart of the village. The Koottumadam Temple here is known for the Thaipooyam festival of Subrahmanyan, along with the nearby Temple of Siva Perakkattu.