found: Work cat.: Morton, B. The historical ecology of the River Arun and its beaches at Littlehampton, West Sussex, 2007:p. 33 (the River Arun retained its former name, Tarrant, until the 16th century)
found: GEOnet, Aug. 6, 2008(Arun, River; United Kingdom; stream; Name (reading order):River Arun; Short name: Arun; 50°48ʹ00ʺN 000°33ʹ00ʺW)
found: Columbia gaz. of the world, c1998(Arun River, West Sussex, England; rises in 2 branches in S. Surrey, flows 37 mi./60 km. S, past Arundel, to the Channel at Littlehampton)
found: Wikipedia, Aug. 6, 2008(River Arun, a river in the English county of West Sussex; source is a series of small streams in the St Leonard's Forest area located to the east of Horsham; it flows through Arundel and meets the sea at Littlehampton; running for approx. 41 km (25 mi.) from source to sea, it is tidal as far inland as Pallingham Quay, 18.25 mi. upstream from Littlehampton; the Arun was known as the Tarrant but renamed after Arundel; the Arun local government district in West Sussex is named for it; the river was linked to the canal network by the Wey and Arun Canal, which closed in 1871, but is currently being renovated)