English Channel port, Carrick district, administrative and historic county of Cornwall, England. It lies at the head of the River Penryn's estuary. The town owes its development to the bishops of Exeter, who granted the first charter (1265). James I (reigned 1603–25) granted and renewed the charter of incorporation. Penryn is the principal English port for the shipment of granite, which is extensively quarried in the district. Pop. (2001) 6,227.