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Margaret Robbins Mills Crooked Spring Brook Reservation
4 ★★★★☆ 11 Google reviews · Running trail in North Chelmsford, Massachusetts · Dawn to dusk
Runner's snapshot
- Surface
- Not reported
- Loop distance
- Not reported
- Shape
- Loop
- Shade
- Not reported
- Access
- Dawn to dusk
Confirmed from Margaret Robbins Mills Crooked Spring Brook Reservation'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.
What runners say about Margaret Robbins Mills Crooked Spring Brook Reservation
A short suburban hike; I did the whole outermost loop and got 2700 steps. Well marked and primary flat, with a short hill in the south west part of the trail, which is a break-off from the shorter swamp loop.
Early afternoon (December 2025) wintry local hike at Crooked Spring Reservation (Chelmsford, MA). I parked at the lot off Crooked Spring Road , then did the blue cross counterclockwise with detours to access paths at the southwest, then back tracked to do the “slope”(probably about 40 feet up), blue back to the…
I grew up about 2 minutes from here and didn't know it existed until this year. It's a great, short walk located between Graniteville rd and Crooked Spring. Really pretty in spring. We saw turtles sunbathing and a mallard duck. There are three geocaches here too.
Trail conditions & character
“A short suburban hike; I did the whole outermost loop and got 2700 steps.”
Plan your run at Margaret Robbins Mills Crooked Spring Brook Reservation
The practical stuff
- AccessDawn to dusk — the gates close, so do not plan a run that finishes after dark
- 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.
- At the trailheadparking — reported by runners
- Websitetownofchelmsford.us
Hours
| Monday | 8:30 am–4 pm |
| Tuesday | 8:30 am–7 pm |
| Wednesday | 8:30 am–4 pm |
| Thursday | 8:30 am–4 pm |
| Friday | 8:30 am–1 pm |
| Saturday | Closed |
| Sunday | Closed |
Running trails near North Chelmsford
Other trails within easy driving distance — useful when this one is flooded, gated, or just not the run you had in mind today.
