Henry Knox Trail Marker MA-20
MA - Worcester, Massachusetts, USA
28 Main Street, Southborough, Massachusetts, 01772, USA
MARKER
VISITOR INFORMATION
Free roadside historical marker; visible from the public right-of-way at any time. There are no staffed hours or ticket requirements.
A roadside historical marker, free to read at any time. There is no parking area or restroom at the marker itself, so pull over only where it is safe to do so.
SITE FEATURES
Peak visitation season unconfirmed. No reliable site-specific monthly attendance pattern was established.
May-June or September-early October for the Knox marker in Southborough. Use the Main Street approach by the Community House and confirm grounds access.
HISTORIC SITES NEARBY
Nearby Historic Sites
miles
Landmark

WHO WAS HERE
1
About Henry Knox Trail Marker MA-20
Henry Knox passed through this area during the winter of 1775–1776 while transporting artillery from Fort Ticonderoga to Washington’s army outside Boston. The cannon and mortars were later placed on Dorchester Heights, threatening the British fleet and garrison and helping compel the evacuation of Boston in March 1776.
Southborough's Knox Trail memorial is a stone block with a bronze artillery-train relief, dedicated by Massachusetts in 1927. Town records identify it at 28 Main Street in 2026. The commission explains that the 1920s marker trail followed a motor route, so this memorial does not establish the exact 1776 road alignment or original road fabric.
History happened here at Henry Knox Trail Marker MA-20
Henry Knox passed through this area during the winter of 1775–1776 while transporting artillery from Fort Ticonderoga to Washington’s army outside Boston. The cannon and mortars were later placed on Dorchester Heights, threatening the British fleet and garrison and helping compel the evacuation of Boston in March 1776.
Knox’s artillery train included fifty-nine cannon, mortars, howitzers, and coehorns weighing about sixty tons. The expedition relied on local teamsters, animals, sledges, and town officials as it crossed winter roads. Thaws, broken ice, steep grades, and damaged equipment repeatedly slowed progress. This marker belongs to a commemorative chain reconstructing the general route rather than preserving an untouched military road. Its importance is logistical: captured weapons at Lake Champlain had no strategic value until labor and transportation delivered them to Boston and crews secretly emplaced them above the harbor.
This location was one stage in a campaign dependent on roads, bridges, ferries, animals, wagons, food, and local knowledge. Armies could cover impressive distances, but every march created traffic, exhaustion, breakdowns, and demands on civilians. A modern marker usually identifies the general route or camp area, not an unchanged eighteenth-century footprint. Later construction may have erased the tavern, farm, road alignment, or open fields known to the participants. The site’s value lies in showing how strategy became physical movement. Orders issued far away succeeded only when soldiers and supplies reached the required place at the required time. Such waypoints also reveal the Revolution’s impact on ordinary communities asked to provide forage, lodging, labor, and information. Seen within the full campaign, a seemingly brief stop could preserve an army, support an alliance, or help create the conditions for a later victory.
For HistoryGPS, the most useful interpretation begins with the site’s exact relationship to the event. A marker may stand at a surviving building, an approximate camp, a grave, a changed road, or simply the best accessible point from which to understand a vanished place. Modern development and later reconstruction can obscure eighteenth-century geography, while commemorative inscriptions often compress long careers or complicated campaigns into a sentence. The narrative must therefore distinguish contemporary evidence from tradition and avoid placing every associated achievement on the marker’s footprint. At the same time, the location gives national history a local scale. It reveals the roads, institutions, households, labor systems, and communities through which military and political decisions took effect. Reading the marker critically preserves its genuine connection while acknowledging uncertainty, change, and the broader human consequences of revolution.
PEOPLE WHO LIVED HERE
PEOPLE WHO DIED HERE
PEOPLE AT REST HERE
EXTERNAL LINKS
American Battlefield Trust, Henry Knox Trail MA-20: https://www.battlefields.org/visit/heritage-sites/henry-knox-trail-marker-southborough-ma-ma-20
Historical Marker Database, Gen. Henry Knox Trail MA-20: https://www.hmdb.org/marker.asp?marker=17941
Southborough Historical Commission, Knox marker presentation: https://www.southboroughma.gov/AgendaCenter/ViewFile/Minutes/_03052026-6687
Hudson Crossing Park, Knox Trail marker locations: https://www.hudsoncrossingpark.org/s/TheKnoxTrailMarkerLocations.pdf
Southborough historical reporting, marker at 28 Main: https://www.mysouthborough.com/2026/03/10/save-the-date-henry-knox-trail-talk-in-southborough-march-15-2/
