The Blackstone River Valley Greenway Challenge - Starting in Worcester, Massachusetts, relay teams of cyclists, paddlers and runners will follow a route down the Blackstone River Valley to Slater Mill in Pawtucket, Rhode Island. - http://www.greenwaychallenge.org/
Blackstone River Valley National Heritage Corridor - Color map in PDF format showing routes, towns, bodies of water, tourist information stations, hiking and biking trails. - http://www.lib.utexas.edu/maps/national_parks/blackstone_river_park98.pdf