The River Calder ( gd, Caladar) is a

river A river is a natural flowing watercourse, usually freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the ...

mainly within

Renfrewshire Renfrewshire () ( sco, Renfrewshire; gd, Siorrachd Rinn Friù) is one of the 32 council areas of Scotland. Located in the west central Lowlands, it is one of three council areas contained within the boundaries of the historic county of Re ...

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...

River course

The river rises in the hills to the west of the county and for some of its length forms the border between Renfrewshire and its neighbouring council areas of

North Ayrshire North Ayrshire ( gd, Siorrachd Àir a Tuath, ) is one of 32 council areas in Scotland. The council area borders Inverclyde to the north, Renfrewshire and East Renfrewshire to the northeast, and East Ayrshire and South Ayrshire to the east an ...

and

Inverclyde Inverclyde ( sco, Inerclyde, gd, Inbhir Chluaidh, , "mouth of the Clyde") is one of 32 council areas used for local government in Scotland. Together with the East Renfrewshire and Renfrewshire council areas, Inverclyde forms part of the his ...

. The only significant settlement which the river runs through is

Lochwinnoch Lochwinnoch (; sco, Lochineuch, gd, Loch Uinneach) is a village in the council area and historic county of Renfrewshire in the west central Lowlands of Scotland. Lying on the banks of Castle Semple Loch and the River Calder, Lochwinnoch is c ...

, before flowing into the nearby

Castle Semple Loch Castle Semple Loch is a 1.5-mile-long (2.5 km) inland freshwater loch at Lochwinnoch in Renfrewshire, Scotland. Originally part of an estate of the same name, it is now administered by Clyde Muirshiel Regional Park as a watersports centre. ...

which drains into the

Black Cart Water The River Cart ( sco, River Cairt) is a tributary of the River Clyde, Scotland, which it joins from the west roughly midway between the towns of Erskine and Renfrew and opposite the town of Clydebank. The River Cart itself is very short, being ...

References

External links

Photograph of the river on Geograph
Calder, Renfrewshire {{Scotland-river-stub