River Allen just before it joins the Truro River - geograph

The River Allen ( kw, Dowr Alen, meaning ''shining river''), or St Allen River, to the north of

Truro Truro (; kw, Truru) is a cathedral city and civil parish in Cornwall, England. It is Cornwall's county town, sole city and centre for administration, leisure and retail trading. Its population was 18,766 in the 2011 census. People of Truro c ...

is one of two watercourses in

Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlan ...

which share this name. The River Allen rises at Ventoneage ( kw, Fentenyk, meaning ''little spring'') north of St Allen and flows southwards through the

Idless Idless ( kw, Edhelys, meaning ''place of aspen trees'') is a hamlet north of Truro in Cornwall, England. The River Allen rises north of St Allen and flows southwards through the Idless Valley into Truro. It is in the civil parish of Kenwyn ...

Valley and Daubuz Moors into Truro. Here it joins the River Kenwyn to form the

Truro River The Truro River ( kw, Hyldreth) is a river in the city of Truro in Cornwall, England, UK. It is the product of the convergence of the two rivers named Kenwyn and Allen which run under the city: the Truro River (named after the city) flows int ...

. The river is home to healthy populations of Brown Trout (Salmo trutta), European Eel (Anguilla anguilla), Minnow (Phoxinus phoxinus) and Bullhead (Cottus gobio) also known as the ‘Miller’s Thumb. The lower tidal reaches also hold Bass (Dicentrarchus labrax), Grey Mullet (Chelon labrosus), and Flounder (Platichthys flesus). There is also a small run of Sea Trout (migratory Salmo trutta) into the river.

References

Rivers of Cornwall 2Allen {{England-river-stub