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Massachusetts > Merrimack Valley > Chelmsford > Great Brook Farm SP
Keyes Loop
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Singletrack section of trail near Deer Run.
Entrance to Trail, marked only by a white blaze.
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Amber Scott
Oct 26, 2018 near Carlisle, MA
“Keyes Loop”  
from jjandames under CC BY-SA 1.0

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Nearby Photos

Keyes Loop
Entrance to Trail, marked only by a white blaze.
to pond
pond
Main Entrance to the loop, expect small roots and rocks.
Lots of these bridges on the Tophet Swamp trails.
Heartbreak Ridge starts with a steep winding climb, shown here.
Singletrack section of trail near Deer Run.
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Nearby

Tophet Loop East

0.8 mi 1.3 km
 1
Carlisle, MA

Keyes Loop

0.5 mi 0.8 km
 0
Carlisle, MA

Pine Point Loop

1.8 mi 2.9 km
 0
Carlisle, MA
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