Back to all New York City places

New York City, New York / History

Blockhouse No. 1

A stone military ruin from the War of 1812, Blockhouse No. 1 is the oldest surviving structure originally built within Central Park's North Woods.

Open prototype Official site Get directions

What is Blockhouse No. 1 known for?

Blockhouse No. 1 is a stone structure built during the War of 1812 to defend New York from the British. It is the oldest surviving building originally built within the Central Park site.

Where is it located?

It is located on a prominent rock outcrop of Manhattan schist in the North Woods of Central Park, near where W 108 St and Adam Clayton Powell Jr Blvd would meet if extended into the park.

Can I go inside the Blockhouse?

Independent exploration of the interior is not allowed, and the building is generally closed to the public. However, occasional tours are offered by Urban Park Rangers or through special events like Open House New York.

What is the history of the structure?

Finished in 1814 under the direction of General Joseph Gardner Swift, it was part of a fortification system to protect the city from British attack. It is the only remaining blockhouse of a group that originally included three others along what is now Morningside Drive.

What should I check before going?

Use Gyde for context, then check official sources for current hours, tickets, construction, and closures.

What to know

Blockhouse No. 1 is a stone military structure situated on a prominent rock outcrop of Manhattan schist in the North Woods. It was hastily constructed under the direction of General Joseph Gardner Swift to defend New York City from British attack during the War of 1812. Finished in 1814, it was part of a broader fortification system that originally included three other blockhouses along what is now Morningside Drive, though this is the only one that remains standing. Central Park's designers, Frederick Law Olmsted and Calvert Vaux, viewed the structure as a picturesque ruin. They intentionally promoted it as a scenic destination within the North Woods to evoke a sense of history and nature. Today, the stone building remains a quiet reminder of the city's colonial history, standing as the oldest surviving structure originally built on the park site, second only to Cleopatra's Needle in overall age. While the interior is not open for independent exploration, the site offers a clear view of the flat surrounding areas north of Central Park from its elevated position. Visitors can appreciate the architectural simplicity of the military fort from the outside, treating it as a a mysterious ruin discovered in the woods.

Visitor tips

  • Wear comfortable walking shoes, as the site is located in the North Woods and requires navigating park paths.
  • Check for occasional special access events like Open House New York or Urban Park Ranger tours to see inside the structure.
  • Allow extra time to explore the surrounding North Woods for a more immersive experience.

Nearby context

Located in the secluded North Woods of Central Park, Blockhouse No. 1 stands near where West 108th Street and Adam Clayton Powell Jr Boulevard would meet if they extended into the park.

Sources

Evidence and links