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Photo: Nigel Cox, CC BY-SA 2.0 via Wikimedia Commons
A 28-mile walk between Finsbury in London and Hertford, through Great Amwell, Hoddesdon and Cheshunt. It follows the course of the New River, which opened in 1613 to supply the capital with water.
The New River Path is a long-distance footpath which follows the course of the 17th-century aqueduct, the New River, for 28 miles (45 km) from its source in Hertfordshire to its original end in Islington, London. The path is waymarked and all signs display the words "New River Path" on a green background.