| Mersey Barrage | |
|---|---|
 The Mersey waterfront at Liverpool | |
 The River Mersey is highlighted in blue interactive map Coordinates: 53°27′00″N 3°01′59″W / 53.45°N 3.033°W |
The Mersey Barrage is a proposed scheme for building a tidal barrage across the Mersey Estuary, between Liverpool and the Wirral Peninsula, England.