River Mersey is in Irish Sea.
The River Mersey is formed from the River Goyt and River Tame which converge at Stockport, Cheshire [Map] from where it flows through Carrington, Lancashire [Map], Warrington, Cheshire [Map], Widnes, Lancashire [Map] and Runcorn, Cheshire [Map] to Liverpool, Lancashire [Map] after which it joins the Irish Sea.
The River Bollin rises at Macclesfield Forest [Map] from where it flows through Macclesfield, Cheshire [Map], Prestbury, Cheshire [Map] and Mottram Hall, Cheshire [Map], after which it is joined by the River Dean, under Manchester Airport [Map] to Hale, Cheshire [Map] then Dunham Massey, Cheshire [Map] after which it joins the River Mersey.
The River Dean rises near Rainow, Cheshire [Map] from where it flows north-east through Bollington, Cheshire [Map], past Adlington Hall, Cheshire [Map], through Handforth, Cheshire [Map] to north of Wilmslow where it joins the River Bollin.
The River Goyt rises from the Errwood [Map] and Fernilee [Map] reservoirs from which it flows through Whaley Bridge, Derbyshire [Map], Furness Vale, Derbyshire [Map], New Mills, Derbyshire [Map], Marple, Cheshire [Map] before joining the River Tame at Stockport, Cheshire [Map] to form the River Mersey.
The River Sett rises near South Head Farm, Kinder [Map] from where it flows through Hayfield, Derbyshire [Map], Birch Vale, Derbyshire [Map] to New Mills, Derbyshire [Map] where it joins the River Goyt.
The River Kinder rises on Kinder Scout from where it flows over Kinder Downfall [Map], through Kinder Reservoir [Map] to Bowden Bridge, Kinder [Map] immediately after which it joins the River Sett.
The River Tame rises from a number of reservoirs on Saddleworth Moor near Denshaw, Lancashire [Map] from where it flows past Delph, Lancashire [Map], Uppermill, Lancashire [Map], Mossley, Lancashire [Map], Stalybridge, Lancashire [Map], Ashton-under-Lyne, Lancashire [Map], Woodley, Lancashire [Map], Reddish Vale, Lancashire [Map] before joining the River Goyt to form the River Mersey.
The River Weaver rises around Croxton Green, Cheshre [Map] from where it flows past Wrenbury, Cheshire [Map], Lightwood Green, Cheshire [Map], through Nantwich, Cheshire [Map], past Alvaston, Cheshire [Map], Church Minshull, Cheshire [Map], Winsford, Cheshire [Map], Vale Royal, Cheshire [Map], Northwich, Cheshire [Map], Acton Bridge, Tarporley [Map] before joining the River Mersey.