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First Weekend of Spring Hike

First weekend of spring hike - Mass Audubon's Rocky Hill Wildlife Sanctuary

First Weekend of Spring Hike

First weekend of spring hike - Mass Audubon's Rocky Hill Wildlife Sanctuary

Details

Come explore this trail with me! We'll take the Heronry, Ovenbird, and Chestnut Oak Loop trails. The hike is 3.5 miles and is relatively flat with an elevation gain of 285 feet. The trail's highlight is the "heronry" itself, which is a rocky outcrop where you can peek at a beaver pond. If we're lucky, there may be some great blue herons nesting early in the tall dead trees. This time of year, the weather can be volatile, so please be prepared to hike on snowy or muddy paths.

Directions

Cardinal Lane, Groton, MA 01450 (https://maps.app.goo.gl/PKx6rWpY2RC87Da56)
Saturday, March 21, 2026
Groton, MA · Directions
Meet at 10:00 AM
Hosted by GpD
9/15 signed up

About this event

Come explore this trail with me! We'll take the Heronry, Ovenbird, and Chestnut Oak Loop trails. The hike is 3.5 miles and is relatively flat with an elevation gain of 285 feet. The trail's highlight is the "heronry" itself, which is a rocky outcrop where you can peek at a beaver pond. If we're lucky, there may be some great blue herons nesting early in the tall dead trees. This time of year, the weather can be volatile, so please be prepared to hike on snowy or muddy paths.

Directions to the trailhead

Get directions
Opens turn-by-turn directions to Groton, MA, 01450 in Google Maps (new tab).
Cardinal Lane, Groton, MA 01450 (https://maps.app.goo.gl/PKx6rWpY2RC87Da56)

Who's going (9)

GpD GUEST MEMBER
GpD
Manchester, NH
Carl SUSTAINING
Carl
Leominster, MA
A member
Profile hidden
pmgnoho GUEST MEMBER
pmgnoho
Boston, MA
LewLasher SUSTAINING
LewLasher
Cambridge, MA
W SUSTAINING
WalkingGuy
Fitchburg, MA
Rob Bonney SUSTAINING
Rob Bonney
Cambridge, MA
jcmulloy GUEST MEMBER
jcmulloy
Cambridge, MA
KeithES SUSTAINING
KeithES
Jamaica Plain, MA

Questions about this event?

Reach out to the host, GpD, for route details, carpooling, or what to bring.

Email the host

You can also ask in the event discussion below.

Event discussion

LewLasher · Mar 16, 2026
I made a Google Map overlay, which you can use with the following link:

https://www.google.com/maps/d/edit?mid=1aYUfn8-EIm3QH0DfBb1u_IYamUNxXwM&usp=sharing

It shows the trails in different colors: Heronry in red (except for the beginning portion - which Audubon's map calls "Mourning Cloak" - in orange), Ovenbird in green, and Chestnut Oak Loop in blue.
Also shows a few other named trails in other colors. And unnamed paths are in black.
LewLasher · Mar 17, 2026
I made a Google Map overlay, which you can use with the following link:

https://www.google.com/maps/d/edit?mid=1aYUfn8-EIm3QH0DfBb1u_IYamUNxXwM&usp=sharing

It shows the trails in different colors: Heronry in red (except for the beginning portion - which Audubon's map calls "Mourning Cloak" - in orange), Ovenbird in green, and Chestnut Oak Loop in blue.
Also shows a few other named trails in other colors. And unnamed paths are in black.

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