Autumn Dawn on the Isis (The source of the River Thames) near Lechlade England

    The upper reaches of the Thames near it's source in the Cotswolds are called "The Isis" . The source of the Thames is about a mile north of Kemble near Cirencester. The name Isis is also give the part of the River which flows through the city of Oxford, and is especially used in the context of rowing at the University of Oxford. Historically, and especially in Victorian times, cartographers insisted that the river Thames was correctly named the River Isis from its source until Dorchester-on-Thames, where the river meets the River Thame and becomes the "Thame-isis" (from which the Latin (or pre-Roman Celtic) name Tamesis is derived), subsequently abbreviated to Thames; current Ordnance Survey maps still label the Thames as "River Thames or Isis" until Dorchester. However since the early 20th century this distinction has been lost in common usage outside Oxford, and some historians suggest the name Isis is nothing more than a contraction of Tamesis, the Latin name for the Thames.

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    1. Wider World (54 months ago | reply)

      Hi, I'm an admin for a group called River Names of Britain, and we'd love to have your photo added to the group.

    2. Wider World (54 months ago | reply)

      Thanks for adding your photo to the River Names of Britain pool.

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