Trolleys Out of Service until Saturday August 23
Due to repair work, the trolleys will not be running until Saturday, August 23. Daily boat tours will still be running, with a 1/4 mile walk from the visitor center. The 2:30 trolley tour will be offered as a walking tour. More info at 978-970-5000.
Lowell NHP Superintendents Compendium upate.
The Superintendents Compendium has been updated in regard to the use of unmanned aircraft in national park areas. More »
The Library at Lowell National Historical Park is a non-circulating collection of almost 3000 books, reports, dissertations, and other materials relating to the history of Lowell, the early American industrial revolution, the American cotton textile industry, and the development and activities of the Park.
The Park Library is available for limited public and research use by prearranged appointment only.
The Library Catalog for the National Park Service including Lowell National Historical Park may be viewed at the National Park Service Library website.
Lowell Cultural Inventory Reports of Buildings in Downtown Lowell  are available on the UML Digital Commons site.
The Digital Commonwealth includes aerial photographs from our collection and the Center for Lowell History.
Did You Know?
The population of Lowell grew dramatically during the years of industrial expansion-rising from about 2,500 in 1826 to more than 33,000 in 1850, when Lowell was the second largest city in Massachusetts.