Bay Circuit Trail

Rail-trail in Massachusetts

Length: 47.0 mi 75.6 km¹
Surface: Dirt¹
Last checked: Oct 12, 2026

The Bay Circuit Trail and Greenway or Bay Circuit is a Massachusetts rail trail and greenway connecting the outlying suburbs of Boston from Plum Island in Newburyport to Kingston Bay in Duxbury, a distance of 200 miles (320 km).

From Wikipedia² (CC BY-SA). Help improve the article and it improves here.

Photos

Bay Circuit Trail at Monument Street, Concord MA.jpg
Photo: John Phelan · CC BY 3.0 · Wikimedia Commons
Former Dighton and Somerset Railroad RoW in Hockomock Swamp June 2026 1.jpg
Photo: 4300streetcar · CC BY 4.0 · Wikimedia Commons
Motor routes that intersect the Bay Circuit (2675092604).jpg
Photo: http://maps.bpl.org · CC BY 2.0 · Wikimedia Commons
Power lines through Hockomock Swamp June 2026.jpg
Photo: 4300streetcar · CC BY 4.0 · Wikimedia Commons
Warner Trail, Moose Hill Wildlife Sanctuary, Sharon MA.jpg
Photo: John Phelan · CC BY-SA 3.0 · Wikimedia Commons

Trailheads

1 Lot D directions
2 Lot F directions
3 Prospect Hill Parking- Bay Circuit Trail directions
4 Reformatory Branch/Bay Circuit Trail Parking directions
5 Parking directions
6 Parking directions
7 Parking directions
8 Parking directions
9 Parking directions
10 Parking directions
11 Parking water directions
12 Parking directions
13 Parking directions
14 Parking directions
15 Parking directions
16 Parking directions
17 Parking directions
18 Parking directions
19 Parking directions
20 Parking directions
21 Parking directions
22 Parking directions
23 Parking directions
24 Parking directions
25 Parking directions
26 Parking directions
27 Parking directions
28 Parking directions
29 Parking directions

Take it with you

Download GPX GeoJSON

Open data, ODbL. Attribute BikeTheRail and OpenStreetMap contributors.

Something wrong?

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Sources

OpenStreetMap ways for this trail, OpenStreetMap contributors · Map data · ODbL · checked Oct 12, 2026
“Bay Circuit Trail”, Wikipedia · Encyclopedia · CC BY-SA 4.0 · checked Oct 12, 2026
Wikidata Q4873950, Wikidata · Knowledge base · CC0 · checked Oct 12, 2026

Every fact above cites a numbered source and the date it was last checked; the list is rebuilt nightly. Know a better source? Add a reference.