
Shadowcliff
Also known as Fellowship of Reconciliation Headquarters
Many listed buildings are private homes. Please enjoy them from the street.
About Shadowcliff
Shadowcliff, at 521 N. Broadway, was added to the National Register of Historic Places on Apr 7, 2014. The Register lists it for its architecture and social history, at the state level. The listing covers 1.6 acres.
What it isHistoric home located at Upper Nyack, Rockland County, New York. From Wikidata (CC0). Read about it on Wikipedia ↗
1921 to today
- 1921Built
- 2014Added to the National Register of Historic Places
- 2026On the Register for 12 years
Make it a walk: 4 landmarks in about 20 minutes
521 N. Broadway, Clarkstown · about 0.7 miles on foot, as the crow flies















8 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of Shadowcliff
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Shadowcliff
Is Shadowcliff on the National Register of Historic Places?
Yes. It was added on Apr 7, 2014 (Register number 14000131).
Is Shadowcliff a National Historic Landmark?
No. It is on the National Register; New York has 273 National Historic Landmarks. The nearest is Philipsburg Manor, 3.1 miles away.
Can you visit Shadowcliff?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · Wikidata. Map tiles © OpenStreetMap contributors.


