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Blackstone Valley
The Blackstone Valley in Massachusetts and Rhode Island
The Blackstone Valley in Massachusetts and Rhode Island
Long-axis direction Northwest-Southeast
Type River valley
Location  United States
Population centers Worcester, Massachusetts, Providence, Rhode Island
Rivers Blackstone River
Blackstone valley from king phillip's rock
A typical summer view in the Blackstone Valley near Uxbridge, Massachusetts

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.


National Heritage Corridor

The John H. Chaffee 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.

National Historical Park

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


Blackstone River

Blackstone River at the Blackstone River and Canal Heritage State Park, near Mass./R.I. state line

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.

Blackstone Canal

Moshassuck River Providence
The Blackstone Canal in Providence

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".

Construction began in 1825 and cost $750,000 (twice its initial estimate). The canal opened on October 7, 1828 when the packet boat Lady Carrington arrived in Worcester, the first vessel to make the trip. The canal brought immediate prosperity to Worcester and the Valley; farmers' profits increased and mills were built, especially in Worcester. Using water to transport goods was a great improvement over the rough roads of the era. At the time of its construction, it represented the best available transportation technology.

It was a two-day trip for the canal boats from Worcester to Providence and another two-day trip to return to Worcester. The overnight stopping point was in Uxbridge. Boston merchants moved to recapture the trade moving down the canal to Providence, opening a rail line to Worcester in 1835. (Boston merchants opened three railroads in 1835, one to Lowell, one to Worcester, and one to Providence, RI. These were very new technology.) In 1847 the parallel Providence and Worcester Railroad began operation, and the canal closed in 1848.

The canal is listed in the National Register of Historic Places.

Purgatory chasm view 2
Purgatory Chasm


The Blackstone Valley offers multiple recreation areas for visitors to take advantage of the sights. These sites are:


Multiple modes of transportation are available that serve the Blackstone Valley.


Two major roads travel through the region. Route 122 in Massachusetts is known as the Blackstone Canal Heritage Highway. The road travels through many of the region's mill villages. The other major road is Route 146 in Massachusetts and Rhode Island. Upgrades on the Massachusetts side have seen major economic benefits throughout the towns.


Union Station, Worcester MA
Union Station in Worcester

Two MBTA Commuter Rail lines, the Worcester and Providence Lines have stations located within the Blackstone Valley. Both lines provide direct service to Boston's South Station. Providence station is also served by Amtrak trains on the Northeast Corridor, providing service to New York City and beyond.


At the 2010 United States Census, the population of the Blackstone Valley was 788,021.

Blackstone Valley population
Town Population (2010)
Auburn 16,188
Blackstone 9,026
Burrillville 15,955
Central Falls 19,376
Cumberland 33,506
Douglas 8,471
East Providence 47,037
Glocester 9,934
Grafton 17,765
Hopedale 5,911
Leicester 10,970
Lincoln 21,105
Mendon 5,839
Millbury 13,261
Millville 3,190
Northbridge 15,707
North Smithfield 11,967
Pawtucket 71,148
Providence 178,042
Smithfield 21,430
Sutton 8,963
Upton 7,542
Uxbridge 13,457
Woonsocket 41,186
Worcester 181,045
Total 788,021
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