Dundas Aqueduct is an aqueduct in England which carries the Kennet and Avon Canal over the River Avon and the Wessex Main Line railway. The aqueduct is near Monkton Combe, Somerset, and is about 2+1⁄2 miles (4 km) south-east of the city of Bath.
The Dundas Aqueduct from the eastern end. The canal boat in the picture can turn left to moorings on the only remaining section of the Somerset Coal Canal or turn right to traverse the last few miles of the canal into the city of Bath. The walls of the Aqueduct can be seen on the left and right; the river and railway are unseen far below.