Dietrich Werner 2009

The CHHS remembers founder Dietrich Werner.

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The Society is a 501(c)(3) charitable organization.


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Local history, contemporary art.

The Century House Historical Society is a not-for-profit educational organization dedicated to the preservation of industrial history of the Rosendale natural cement region. The Society is located at the Snyder Estate in New York’s historic Hudson Valley.


The Century House Museum is closed for the season! Come visit it next spring!

The normal site hours are sunrise to sunset for self guided tours daily, with the museum being open Sundays from Mother’s Day through Labor Day 1PM – 4PM

Free for members, all others please leave a donation!


News and Events:

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The Snyder Estate and Widow Jane Mine are closed until further notice. ... See MoreSee Less

2 weeks ago

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People used the estate to access the Lawrenceville Mines, which are Iron Mountain's property. Two dogs fell through the airshaft there, one died , one probably will be put down. We have signs up; people ignore them.

Oh no, did something happen? Tornado?

Sorry to hear that. The trails on the estate are a real treasure. I look forward to when they are open again.

Everyone ok?

Mother's Day is usually the official start of the Century House Season: The museum opens, some refreshments are available, and Steven Schimmrich gives a geology walk.
That's not happening this year until people can gather together again safely.

Meanwhile, this postcard is in the museum in the "Ulster County Vacation" display case:
... See MoreSee Less

3 weeks ago

Mothers Day is usually the official start of the Century House Season: The museum opens, some refreshments are available, and Steven Schimmrich gives a geology walk.
Thats not happening this year until people can gather together again safely.

Meanwhile, this postcard is in the museum in the Ulster County Vacation display case:
Load more

The Snyder Estate Natural Cement Historic District is listed on the National Register of Historic Places.
The Society is chartered by the New York State Education Department.