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Watertown-Cambridge Greenway

4.3 ★★★★☆ 9 Google reviews · Running trail in Cambridge, Massachusetts · Open 24 hours

Runner's snapshot

Surface: Not reported
Distance: Not reported
Shape: Not reported
Shade: Not reported
Access: Open 24 hours

Confirmed from Watertown-Cambridge Greenway's own listing, the park or land manager's website, and runner reviews. Blank cells mean we could not verify that fact — we would rather say "not reported" than invent one. There is no Easy / Moderate / Hard rating on this page on purpose: a one-word difficulty score tells you nothing about whether a trail suits your run. Surface, distance, shade and hours do.

Watertown-Cambridge Greenway — running trail in Cambridge, MA, photo 1

Watertown-Cambridge Greenway — running trail in Cambridge, MA, photo 2

Watertown-Cambridge Greenway — running trail in Cambridge, MA, photo 3

Watertown-Cambridge Greenway — running trail in Cambridge, MA, photo 4

Watertown-Cambridge Greenway — running trail in Cambridge, MA, photo 5

Open 24h

What runners say about Watertown-Cambridge Greenway

Pulled from public reviews of this trail (9 of them) — the things people bring up again and again, in their own words. Nothing here is written by us.

Watertown Cambridge Greenway, a paved pedestrian and cycling trail managed by the Massachusetts Department of Conservation & Recreation (DCR). The trail was started in 2013, finished in 2022, and built atop the line of the former Boston & Maine Railroad (B&M). Do not use motorized vehicles on the path.

★★★★★ — Abigail , Jan 2024

Excerpts from public Google reviews. Read all 9 reviews →

Plan your run at Watertown-Cambridge Greenway

The practical stuff

AccessOpen 24 hours — no gate to beat, so a 5am or a 10pm run both work
DistanceNot reported. Trail systems often quote total path mileage rather than a single loop, so measure the route you actually want before you drive out.
ShadeNot reported. Assume some of it is exposed and carry water in summer.

Hours

Monday	Open 24 hours
Tuesday	Open 24 hours
Wednesday	Open 24 hours
Thursday	Open 24 hours
Friday	Open 24 hours
Saturday	Open 24 hours
Sunday	Open 24 hours

Posted hours for the park or trailhead. Gates and parking lots often close earlier than the trail itself, and seasonal hours change — worth a check before a pre-dawn or after-dark run.

Where to find Watertown-Cambridge Greenway

28 Holworthy Pl, Cambridge, MA 02138

Get directions

Running trails near Cambridge

Other trails within easy driving distance — useful when this one is flooded, gated, or just not the run you had in mind today.

Fresh Pond Reservation

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Popular spot for spotting wetland birds & deer with wooded walking routes around a tranquil pond.

under a mile away

Charles River Reservation

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PavedScenic

This urban park located along the river features paved paths for walking, running & skating.

1.1 miles away

Danehy Park

4.7 ★★★★★ 1,266 reviews

Cambridge, MA

ScenicDog-friendly

50-acre green space with activities such as softball & soccer, plus paths for jogging & a dog park.

1.2 miles away