The public consultation over plans to build thousands of homes on greenbelt land in Rainford ends today.
Campaigners say the council's proposals are based on misleading information and have been marching through St Helens.
Hundreds of protesters have gathered at Stockport Town Hall to protest against plans to build 4,000 new homes on green and brown belt land in Greater Manchester.
A consultation on plans to build thousands of new homes across the county - many of them of previously protected Green Belt land - ends on Monday, January 16.
Local authorities which support the plan say it will help boost the number of affordable homes in the area - and create jobs.