Tregaron Conservancy
Old Stone Bridge at Tregaron Conservancy
Tregaron Conservancy is working to restore the historic Tregaron Estate.





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What's New

The Old Lily Pond has been Restored!

Over the summer, the Tregaron Conservancy hired Harmony Ponds to clean, repair, reline, and resurface the 95 year-old lily pond. It was a massive undertaking that involved many workers and dozens of trucks bringing “shotcrete” to the site. After the surface “cured,” the bottom and sides were sealed. Vaughan Restoration Masonry replaced the stone caps along the edges. Water has been added as well as nearly 70 large, beautiful plants from Maryland Aquatic Nurseries. Please come visit our newly restored lily pond, located near open Klingle Road. The historic landscape that is owned and being rehabilitated by the Tregaron Conservancy is open to the public, every day, free of charge.

Stone Bridges & Marble Patio Uncovered

During the past year, with the help of hearty volunteers, the Tregaron Conservancy has uncovered numerous stone stairs, walls and even a footbridge that crosses over a stream. Digging through 50 years of silt, dirt and debris, the Conservancy has engaged in “forensic gardening.” We have resurrected magnificent stone work and repaired many great finds. Recently, a set of stone stairs leading to a gorgeous marble patio was returned to a position overlooking the lily pond. When you come visit, don’t miss this handsome overlook!

Welcome to Tregaron

The mission of the Tregaron Conservancy is to preserve, rehabilitate and maintain historic Tregaron Estate built in 1912. With thirteen acres of land in Washington, DC, placed into a conservancy as open green space never to be developed, the Tregaron Conservancy is now cleaning up and stabilizing the deteriorated landscape. The Conservancy is restoring this famous property, following the original maps and plans of Tregaron Estate’s renowned landscape architect Ellen Biddle Shipman.  With the help of the community and generous supporters, we have rehabilitated the extensive bridle paths and pedestrian trials. We have planted over 50 new trees and 2000 daffodils. With miles of paths throughout the woodlands, lily ponds, gardens, meadows and along the streams, Tregaron Estate is open to visitors for their use and enjoyment.   In the future, the Tregaron Conservancy will host lectures, guided walks, and cultural events – welcome to the public and at no charge.

After more than 25 years of legal battles – and with the Historic Preservation Review Board giving concept approval to a few houses on the edges of the site – neighborhood organizations realized a global resolution was needed. As a result, we negotiated a landmark deal and “won” the land through a legal agreement that provides a detailed and extremely protective settlement for Tregaron Estate’s beautiful landscape. Now, the Tregaron Conservancy continues its ambitious challenge of restoring an overgrown and forgotten site. Come visit Tregaron Estate—a magical place.