(est. 1822) having been the oldest university established in Wales. The river forms the southern boundary of the hamlet of Pen-y-wenallt.

In modern times, the source of the river, Llyn Teifi, is used as a reservoir for public water supply. The River Teifi is the complete water source for the local area of Mid & South Ceredigion. A former anglicisation "River Tivy" had also be used as a name of the river.

Concern over the health of the river has been reported, which include

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