one of the four bridges placed along the Roman road which is situated in the town of Cercedilla
The Reajo bridge or, as it is also known as, the Mill, is one of the four bridges placed along the Roman road which is situated in the town of Cercedilla. The town is situated on the M-622 that connects the town of Los Molinos with Cercedilla, a few meters away from the railway station of the aforementioned town, and it is the largest of all in terms of size. Except from the bed of the "river of La Venta" later to merge their waters with the river called Las Fuentes, therefore forming the famous Guadarrama river. It has a width of 10 meters with a height up from the riverbed reaching 15.4 meters and a 6.5 meter arc of light.