Great Yorkshire Rivers Partnership Great Yorkshire Rivers (GYR) is a partnership between Environment Agency (EA), The Rivers Trust and Yorkshire Water set up in 2009 to tackle the removal of over 100 artificial barriers to fish migration working with local stakeholders, environmental interest groups and local authorities. In 2022 the Great Yorkshire Rivers (GYR) was formalised by the three main partners with the ambition to tackle of all significant barriers along Yorkshire’s rivers by 2043. Learn more