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River Monnow

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River Monnow June 2016

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River Monnow,

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River Monnow 11 10 2020

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River Monnow at Monnow Bridge, Monmouth

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River Monnow in flood, Monmouth 26/10/19

The River Monnow marks the England–Wales border for much of its 42 miles (68 km) length. After flowing through southwest Herefordshire, England, and eastern Monmouthshire, Wales, its confluence with the River Wye is approximately 1⁄3 mile (0.54 km) south of Monmouth.