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 Almost immediately after emerging from the springs, the water disappears into that dark pipe to go under the A436. If this is the source then that's the first bridge over the Thames. UTC Time: 12:06, Friday 11 September 2026 Local Time: 13:06, Friday 11 September 2026 Estimate of longitude: 2° 3′ 1.30″ W = -2.050360° Estimate of latitude: 51° 51′ 3.85″ N = 51.851070° Possible error on position estimate: 5 metres | |