Irwell River Park is (or perhaps was) a grand scheme to turn the Irwell River banks into a linear park.
The web site for the scheme has now gone so the links to the maps on these posts have now failed.
Some information can still be found at http://www.ribacompetitions.com/salfordmeadowsbridge/downloads/Irwell%20Park%20Overview.pdf
Irwell River Park: Part 1 - River Park Quays
Irwell River Park: Part 2 - River Park Central
Irwell River Park: Part 3 - River Park City This post is a year old and parts of the route have been heavilly developed since then.
Irwell River Park: Part 4 - River Park Meadows
Irwell River Path Map - MOSI to MediaCity