River Teifi

The River Teifi (Welsh: Afon Teifi) forms the boundary between the counties of Ceredigion and Carmarthenshire in south-west Wales for most of its 75 mile length, flowing into the sea below the town of Cardigan. The catchment of the river is estimated to be 1,008 square kilometres yielding an average flow at Glan Teifi of 29.126 m³/s. The maximum recorded flow between 1959 and 2011 was 373.6 m³/s on 18 October 1987. The average rainfall varies from 1552 mm in the upper catchment to 1,176 mm in the lower catchment. The Teifi has its source in Llyn Teifi, one of several lakes known collectively as the Teifi Pools. These are situated towards the north of the county of Ceredigion. This wide area of Mid-Wales, with a very sparse population,...