The Red River which discharges into the sea to the west of Marazion

Marazion

Marazion is a civil parish and town in Cornwall, United Kingdom. It is situated on the shore of Mount's Bay, two miles east of Penzance and one mile east of Long Rock.St Michael's Mount is half-a-mile offshore from Marazion...

 is one of two watercourses in Cornwall

Cornwall

Cornwall is a unitary authority and ceremonial county of England, within the United Kingdom. It is bordered to the north and west by the Celtic Sea, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar. Cornwall has a population of , and covers an area of...

 in southwest 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...

, UK

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, which share this name

Red River, Cornwall

The Red River is a small river in north-west Cornwall, UK which issues into St Ives Bay at Godrevy on Cornwall's Atlantic coast. The Red River is approx 8 miles long and gets its name from the mineral deposits associated with tin mining which formerly coloured its water red...

.

It rises in the parish of Towednack

Towednack

Towednack is a village and civil parish in Cornwall, United Kingdom. The parish is bounded by those of Zennor in the west, Gulval in the south, Ludgvan in the east and St Ives in the north...

 and flows in a generally southeasterly direction, passing through the parish of Ludgvan

Ludgvan

Ludgvan is a civil parish and village in Cornwall, England, UK. The village is situated 2½ miles northeast of Penzance.The parish includes the villages of Ludgvan, Crowlas, Canon's Town and Long Rock...

 before turning to the southwest and an exit into Mount's Bay

Mount's Bay

Mount's Bay is a large, sweeping bay on the English Channel coast of Cornwall in the United Kingdom, stretching from the Lizard Point to Gwennap Head on the eastern side of the Land's End peninsula. Towards the middle of the bay is St Michael's Mount...

. It is bridged by numerous minor roads and paths but also by the B3311 road, the A30 road

A30 road

The 284 miles A30 road from London to Land's End, historically known as the Great South West Road used to provide the most direct route from London to the south west; more recently the M3 motorway and A303 road performs this function for much of the route and only parts of A30 now retain trunk...

, the rail line between Hayle

Hayle

Hayle is a small town, civil parish and cargo port in west Cornwall, United Kingdom. It is situated at the mouth of the Hayle River and is approximately seven miles northeast of Penzance...

 and Penzance

Penzance

Penzance is a town, civil parish, and port in Cornwall, England, in the United Kingdom. It is the most westerly major town in Cornwall and is approximately 75 miles west of Plymouth and 300 miles west-southwest of London...

 and the A394 road.