Thaddeus Kosciuszko National Memorial
Pennsylvania
Tonight
🌗 46% moon
6.4 h fully dark
Crowds
low
Open today
Closed
National Memorial: closed Nov 11 – Nov 11; National Memorial: closed Dec 25 – Dec 25; National Memorial: closed Jan 1 – Jan 1
Entrance
Free entry
Visit the house where wounded Polish freedom fighter Thaddeus Kosciuszko lived and hear how this brilliant military engineer designed successful fortifications during the American Revolution. See the room where he received notable visitors such as Chief Little Turtle and Thomas Jefferson.
Topics
No entrance fee.
Hours & seasons
Open Saturdays and Sundays, 12 noon to 4 pm.
⚠ National Memorial: closed Nov 11 – Nov 11; National Memorial: closed Dec 25 – Dec 25; National Memorial: closed Jan 1 – Jan 1
Generally open:
winterspringsummerfallHours are reported by the park — verify before you go.
📞 2159652305
✉ indevisitorinfo@nps.govConditions
Quietest months (fewer crowds): Jan, Mar, Nov, Dec
Typical crowds: low
Weather now: ☁️ Overcast, 88°F
☁️ 88°/77°
🌧️ 92°/75°
☁️ 94°/73°
Typical monthly recreation visits · NPS avg 2023–2025 — orange months are the quietest by crowds.
Quietest months
Relative crowds by month — lighter is quieter; ringed months are the calmest by crowds.
Jan
3%
Feb
16%
Mar
0%
Apr
57%
May
91%
Jun
100%
Jul
93%
Aug
100%
Sep
77%
Oct
28%
Nov
0%
Dec
0%
Log a sky reading
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Accessibility
1 audio-described place(s)
Reported by the park — verify before you go.
Not an official safety source — always defer to NPS.gov and rangers for life-safety decisions.
By the numbers
A visual read on Thaddeus Kosciuszko National Memorial — its character, trails, sky, and weather.
Park fingerprint
How this park scores across the dimensions travelers care about.
3-day forecast
Daily high and low temperatures (°F).
Passport stamps
Mark the stamps you've collected — they show in your memory and along your routes.
🎫 The Kosciuszko House
Places to see
The Kosciuszko House
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Learn more
Known as the smallest National Park unit, the Thaddeus Kosciuszko National Memorial is a place to visit where wounded Polish freedom fighter Thaddeus Kosciuszko lived and hear how this brilliant military engineer designed successful fortifications during the American Revolution.
Regina Jones-Brake's career with the National Park Service (NPS) began in 1976 with the bicentennial of the Declaration of Independence. Over the next 33 years, her love of American history compelled her to share untold stories as she advanced from park ranger to management assistant.
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