The Canada Dock Branch is a 4 mile 59 chain

Chain (unit)

A chain is a unit of length; it measures 66 feet or 22 yards or 100 links . There are 10 chains in a furlong, and 80 chains in one statute mile. An acre is the area of 10 square chains...

 (7.62 kilometre) long railway line in Liverpool

Liverpool

Liverpool is a city and metropolitan borough of Merseyside, England, along the eastern side of the Mersey Estuary. It was founded as a borough in 1207 and was granted city status in 1880...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. The line runs from the large Edge Hill rail junction in the east of Liverpool to Seaforth Dock

Seaforth Dock

Seaforth Dock is a purpose-built dock and container terminal, on the River Mersey, England, at Seaforth, to the north of Liverpool. As part of the Port of Liverpool and Liverpool Freeport, it is operated by the Mersey Docks and Harbour Company...

 to the north. The line was originally built by the London and North Western Railway

London and North Western Railway

The London and North Western Railway was a British railway company between 1846 and 1922. It was created by the merger of three companies – the Grand Junction Railway, the London and Birmingham Railway and the Manchester and Birmingham Railway...

 terminating at Canada Dock, with a latter extension added to Alexandra Dock and the MDHC

Mersey Docks and Harbour Company

The Mersey Docks and Harbour Company , formerly the Mersey Docks and Harbour Board , owns and administers the dock facilities of the Port of Liverpool, on the River Mersey, England...

 railway lines. The line is not electrified.
The line opened in 1866 between Edge Hill

Edge Hill, Liverpool

Edge Hill is a district of Liverpool, England. It is located to the south east of Liverpool city centre, bordered by the city centre, Kensington, Wavertree and Toxteth. Edge Hill University was founded here, but moved to Ormskirk in the 1930s.-History:...

 and Canada Dock

Canada Dock

Canada Dock is a dock on the River Mersey, England and part of the Port of Liverpool. It is situated in the northern dock system in Kirkdale. Canada Dock consists of a main basin nearest the river wall with three branch docks and a graving dock to the east...

.