River Lynher

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Coordinates: 50°22′44″N 4°15′50″W / 50.379°N 4.264°W / 50.379; -4.264

The River Lynher near Saltash, as seen from the Antony estate
A sketchmap of the River Tamar south of Launceston showing tributaries including the River Lynher

The River Lynher (Cornish: Linar)[1] or St Germans River flows through east Cornwall, England, UK, passing St Germans and enters the River Tamar at the Hamoaze, which in turn flows into Plymouth Sound. The estuary of the Lynher is called Hallamore (Cornish: Hal an Mor, meaning the sea marsh).


The river is about 21 miles (34 km long), rising at a height of about 920 feet (280m) on Bodmin Moor and flowing into the Tamar Estuary near Plymouth. It has four main tributaries, the largest of which is the River Tiddy. The smaller tributaries include Deans Brook, Withey Brook, Marke Valley and Darleyford streams and Kelly Brook.[2][3]


The Lynher and its tributaries are largely used for rod and line fishing, particularly for brown trout and Atlantic salmon.

Its estuary is a designated Site of Special Scientific Interest[4] and also a Special Protection Area. Many species of animals can be found here, including the kingfisher, otter, dipper, avocet, and black-tailed godwit; the triangular club-rush (scirpus) also grows on the banks. The estuary, along with the Tamar–Tavy Estuary system and St John's Lake, form the Tamar Estuaries Complex Special Protection Area (SPA),[5] as well as forming part of the Plymouth Sound and Estuaries Special Area of Conservation (SAC).[6]

Park Wood, in the Lyhner valley 2 miles (3.2 km) south-west of Callington off the A390 road, is also designated an SSSI for its biological interest.[7]


  1. ^ Place-names in the Standard Written Form (SWF) : List of place-names agreed by the MAGA Signage Panel. Cornish Language Partnership.
  2. ^ Ordnance Survey: Landranger map sheet 201 Plymouth & Launceston ISBN 978-0-319-23146-3
  3. ^ "River Catchments - LYNHER and TIDDY". Cornwall Rivers Project. Retrieved 8 November 2011. 
  4. ^ "Lynher Estuary". Natural England. 1987. Retrieved 30 September 2011. 
  5. ^ "Tamar Estuaries Complex". Joint Nature Conservation Committee. 2001. Retrieved 11 November 2011. 
  6. ^ "Plymouth Sound and Estuaries". Joint Nature Conservation Committee. Retrieved 11 November 2011. 
  7. ^ "Park Wood". Natural England. 1988. Retrieved 8 November 2011.