Blackstone Valley

The Blackstone Valley or Blackstone River Valley is a region of Massachusetts and Rhode Island. It was a major factor in the American Industrial Revolution. It makes up part of the Blackstone River Valley National Heritage Corridor and National Historical Park.

The John H. Chafee Blackstone River Valley National Heritage Corridor follows the Blackstone Valley from Worcester to Providence, Rhode Island. The corridor follows the course of the Industrial Revolution in America from its origin at the Slater Mill in Pawtucket, Rhode Island as it first spread north along the valley to Worcester, Massachusetts, and then to the rest of the nation.

The region was designated a National Heritage Corridor by Congress in November 1986, composing 25 towns and cities throughout Massachusetts and Rhode Island.

In 2011, a report recommended the region for National Park status. In 2014, the Blackstone River Valley National Historical Park was established.

The river is named after William Blackstone (original spelling William Blaxton) who arrived in Weymouth, Massachusetts in 1623, and became the first European settler of present-day Boston in 1625. He relocated again, to Rhode Island in 1635 and built his home on the river, in what would become Cumberland. With the Providence River, the Blackstone was the northeastern border of Dutch claims for New Netherland from Adriaen Block's charting of Narragansett Bay in 1614 through the Hartford Treaty of 1650.

The original Native American name for the river was the "Kittacuck", which meant "the great tidal river". The "Kittacuck", or Blackstone, was plentiful with salmon and lamprey in pre-colonial and colonial times.

In 1790, Samuel Slater opened the first successful water powered cotton mill in America, Slater Mill, at Pawtucket Falls. This mill was powered by the waters of the Blackstone River. Many other mills appeared along the Blackstone River over time making it an important part of American industry. The industrialization also led to the river being identified by the end of the 20th century as the primary source of Narragansett Bay pollution.

The initiative for the canal came from Providence, where a merchant community wished to profit from trade with the farming country of the Blackstone Valley and Worcester County. The people of Worcester and the Blackstone Valley, eager for transport that would enable them to get better prices for their produce, welcomed the plan. However, since the trade of central Massachusetts was at that time going overland through the port of Boston, Massachusetts commercial interests succeeded in stalling the project for several years. Finally, in 1823, the Blackstone Canal Company was organized through an act of the Massachusetts legislature, with a Rhode Island company soon following. The canal's construction may have been motivated by competition among rival industrialists to curtail "water rights".