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Flagg Hill route map
Difficulty: EasyLoop

Flagg Hill

Boxborough, Massachusetts

4.0 mi

Distance

295 ft

Elev. Gain

1h 29m

Est. Time

Loop

Route Type

Easy

Difficulty

About This Trail

Flagg Hill is a loop trail in Middlesex County, Massachusetts. It is 4 miles long and gains 295 feet. The nearest town is Maynard, Massachusetts, about 2 miles away in a straight line.

From the trail data on this page.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

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Elevation Profile

Min:75 ft
Max:138 ft
Gain:119 ft
Loss:119 ft
Elevation profileA line rising and falling between 75 ft and 138 ft across 4.0 mi along the route, drawn from start to end.75 ft96 ft117 ft138 ft0.0 mi1.0 mi2.0 mi3.0 mi4.0 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi92 ft
High point0.9 mi138 ft
End4.0 mi92 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Maynard, MA · about 2 mi away
County:
Middlesex County, MA

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

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