For other Rivers Calder, see River Calder (disambiguation)

River Calder (disambiguation)

There are several rivers known as the Calder River or River Calder.In the United Kingdom:In England* River Calder, West Yorkshire, a major tributary of the River Aire* River Calder, Cumbria, flows into the Irish Sea near Sellafield...

.

The River Calder is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 mainly within Renfrewshire

Renfrewshire

Renfrewshire is one of 32 council areas used for local government in Scotland. Located in the west central Lowlands, it is one of three council areas contained within the boundaries of the historic county of Renfrewshire, the others being Inverclyde to the west and East Renfrewshire to the east...

, Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, UK.

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

North Ayrshire

North Ayrshire is one of 32 council areas in Scotland with a population of roughly 136,000 people. It is located in the south-west region of Scotland, and borders the areas of Inverclyde to the north, Renfrewshire to the north-east and East Ayrshire and South Ayrshire to the East and South...

 and Inverclyde

Inverclyde

Inverclyde is one of 32 council areas used for local government in Scotland. Together with the Renfrewshire and East Renfrewshire council areas, Inverclyde forms part of the historic county of Renfrewshire - which current exists as a registration county and lieutenancy area - located in the west...

. The only significant settlement which the river runs through is Lochwinnoch

Lochwinnoch

Lochwinnoch 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 chiefly a residential dormitory village serving nearby urban centres such as Glasgow and Paisley...

, before flowing into the nearby Castle Semple Loch

Castle Semple Loch

Castle Semple Loch is a 1.5 mile long inland 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

River Cart

The River Cart is a tributary of the River Clyde, Scotland, which it joins from the west roughly midway between the towns of Erskine and Renfrew....

.