Knox's Headquarters State Historic Site

About Knox's Headquarters State Historic Site

John Ellison's 1754 Georgian house at Vails Gate, used more than once by Major General Henry Knox as headquarters for the American artillery. The Ellisons' milling and trading business ran from here for decades.

Things to do

• 🥾 Hiking

Amenities & facilities

• 🌞 Day Use Only

Hours

Hours as published by NY State Parks. Check the official page before a long drive.

Contact

Upcoming events at Knox's Headquarters State Historic Site

• It was dark back then at Knox’s HeadquartersOct 24, 2026
• Your Excellency’s Dog kennel at Mount Vernon is as good a Quarter as that I am now inNov 11, 2026
• Christmas with the Ellisons at Knox’s HeadquartersDec 19, 2026
• Holiday Open House at Knox’s HeadquartersDec 27, 2026

Event details and registration are on the NY State Parks calendar.

🎒 Gear up for Knox's Headquarters State Historic Site

Popular gear for what this park offers:

• Hiking boots
• Bug spray
• Daypacks
• Trekking poles
• Sunscreen
• First aid kit
• Water bottles

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Nearby state parks

• National Purple Heart Hall of Honor
• New Windsor Cantonment State Historic Site
• Washington's Headquarters State Historic Site
• Storm King State Park
• Schunnemunk State Park
• Hudson Highlands State Park Preserve