 There are now no visible signs of the port and Clackmannan now sits over a mile inland from the river.The locals tried in vain to keep their port viable by digging out the silt but to no avail .The silting up of Clackmannan's port and the fact that boats could no longer access it meant that the port in Alloa came in to use instead and this lead to an increase in the population of nearby Alloa see that town replace Clackmannan as the county town of Clackmannanshire in 1822.During the 12th century, the area formed part of the lands controlled by the abbots of Cambuskenneth.