black and white Downy Woodpecker stands on a tree branch
Welcome to

Mildred Caldwell ԹϺ Sanctuary of Walden Woods

Downy Woodpecker. Photo: Katrina Baker/ԹϺ Photography Awards
Discover adventure, birds, and how to make a difference at an ԹϺ center.

Greenwich, CT

Open Today Sunrise - Sunset

A Natural Oasis Where Birds Thrive

This is one of seven sanctuaries managed by the ԹϺ in Greenwich. Mildred Bedard Caldwell left this 22-acre woodland sanctuary to the local Greenwich ԹϺ Center chapter. The main trail crosses Strickland Brook by a boardwalk before leading into deciduous woodland that was farmland until about 1900. Remnants of farming activity include the stone enclosure known as Pugh’s Pig Pen. Two large stone boulders on the upland trail are “erratics” deposited by the glaciers that covered the area 12,000 years ago. A trail leads directly into the 62-acre Montgomery Pinetum owned by the Town of Greenwich.

Hours: Open Daily, Sunrise to Sunset

Location: The entrance is on Bible Street, 100 yards south of the intersection of Bible Street and Cat Rock Road. Parking is by the side of the road on Bible Street.

Trail Map
Download our trail map as a PDF.
Trail Rules
Learn more about our visitor guidelines.
Four people in winter clothing and wearing binoculars walk toward the camera.
Greenwich ԹϺ Center Great Backyard Bird Count. Photo: Luke Franke/ԹϺ

Greenwich ԹϺ Center

Mildred Caldwell ԹϺ Sanctuary of Walden Woods is a sister sanctuary to Greenwich ԹϺ Center.
Read about it
Centers and Sanctuaries in Connecticut
Two small gray Chipping Sparrows sit on a bare branch
Emily Winthrop Miles Wildlife ԹϺ Sanctuary
Sharon, CT
A photo of dark red buildings surrounded by green trees and shrubs.
Bent of the River ԹϺ Center
Southbury, CT
Overhead view of Sharon ԹϺ Center with red buildings and tree canopy
Sharon ԹϺ Center
Sharon, CT
Four people in winter clothing and wearing binoculars walk toward the camera.
Greenwich ԹϺ Center
Greenwich, CT
yellow and black Prairie Warbler sings
Gimbel Sanctuary
Greenwich, CT
a yellow Common Yellowthroat flies next to some large purple coneflowers
Fairchild Wildflower ԹϺ Sanctuary
Greenwich, CT
a Black-throated Green Warbler, a yellow, black, and white bird, stands on eastern hemlock
Hemlock Gorge ԹϺ Sanctuary
Greenwich, CT
Snowy Egret crouches near some water
Oneida ԹϺ Sanctuary
Greenwich, CT
ԹϺ Connecticut
Learn more about how ԹϺ Connecticut makes a difference for birds.
Visit Us
Visit Us