The Malago is a tributary of the Bristol Avon in southwestern England, some 5 miles (8.0 km) long. The river rises in springs on the north side of Dundry Hill on the borders of Somerset and Bristol. The main tributary is the Pigeonhouse stream which also rises on Dundry. Much of the river has been culverted as it flows through built-up South Bristol. The river's course has been much altered in the past; presently it joins the New Cut opposite the former entrance lock to the Bathurst Basin. The river supports some wildlife in its upper reaches and pollution is relatively low.