“Come visit Tregaron Estate’s historic landscape—it is a magical place”


Things I’ve walked by a thousand times and never actually checked out vol. 11 – Tregaron Conservancy:

“In a city of world famous and popular monuments, an under-the-radar 20-acre Country Place era estate on the edge of Rock Creek Park called Tregaron, was hands down the most popular destination in TCLF’s first ever What’s Out There Weekend, September 25-26.” (The Cultural Landscape Foundation October 2010 E-Newsletter)

The Tregaron Conservancy is a nonprofit organization founded in January 2006. As owner and property steward of thirteen acres of protected and donated land, the Tregaron Conservancy is restoring and maintaining an important historic landscape.

In 2006, after more than 25 years of legal battles – and with the DC 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, the Friends of Tregaron (the predecessor to the Tregaron Conservancy) 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.

With the help of the community and generous supporters, we have rehabilitated the extensive bridle paths, pedestrian trails, stone bridges over the two streams, the lily pond and iconic overlook. We have planted over 150 new trees, 8000 daffodils and hundreds of new bushes, plants and other flowers. With miles of paths throughout the woodlands, gardens, meadows and along the streams, Tregaron Estate is open to visitors for their use and enjoyment. The Tregaron Conservancy has hosted lectures, guided walks, geological tours, school groups, youth summer camps and cultural events. The Conservancy’s historic landscape is open to the public — walkers, runners, baby strollers, dogs ON LEASH and other visitors — every day, free of charge. In order to restore and maintain this historic landscape, the Tregaron Conservancy depends on charitable donations. Please contribute to our 501(c)(3) non-profit organization on line through the secure PayPal process or send a gift to P.O. Box 11351, Washington, DC 20008.

The twenty-acre estate (originally known as “The Causeway”) represents the most important surviving landscape collaboration of noted architect, Charles Adams Platt, and renowned landscape architect, Ellen Biddle Shipman. Tregaron is also the only country house and estate designed by Platt in Washington, DC, and one of only a handful of his surviving estates nationwide. Shipman’s naturalistic garden at Tregaron is one of only two known examples of this type of garden in the country. On January 24, 1979, the entire estate including all of its entire landscape, as well as the mansion and supporting buildings, were designated a Category III landmark of the District of Columbia. Tregaron Estate was listed on the National Register of Historic Places in 1989 and is a contributing feature to the Cleveland Park Historic District (1986).

Come visit Tregaron Estate’s historic landscape—it is a magical place.”






11 Comment

  • Blithe

    I’ve been planning to visit — but never got around to it. These pictures are a nice nudge.

    • Anonomnom

      This was my thought exactly! We help with the gardening there, and love how quiet and peaceful it is… Everyone here, forget you saw anything… *passes hand over face* this is not the hidden gem you seek…

  • I Dont Get It

    Whaaaat? Never heard of this place before! Must put this on my mini bucket list.

  • Is it selfish of me that I say, no, please don’t come visit? Although once the Klingle bike/walk trail is done this hidden gem will be hidden no more.

  • I take care of a garden that back’s up to the Tregaron Conservancy, which I’d never heard of previously. Consequently, the house and garden have a lovely borrowed landscape that will never be developed. I think my client’s late husband was instrumental in establishing the conservancy. Didn’t Marjorie Merriweather Post once own the estate? I also think it has some connection to the International School, which is close by.

  • Yes MMP once owned the estate, which Washington International now uses as part of its campus. The dacha on the campus should be seen as well.

    Having grown up very close to Tregaron, I can attest that in the past 40 years, it hasn’t looked as fantastic as it does today. The Conservancy (and Friends of) should be commended for preserving and enhancing this urban gem for future generations to appreciate and enjoy.

    • Thank you Andrew (and everyone who commented), and POPville for the great post and photos! I’m the new Executive Director of Tregaron Conservancy. Hope to see all of you out on the trails soon. We’re open every day, free of charge, and are hosting new events this fall. Check us out on the web (tregaronconservancy.org) or Facebook.com/TregaronDC for details. Thanks again!

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