Out of concern for the health and safety of CoSM community & in compliance with local health advisories, CoSM will be temporarily closed.

Questions about refunds, and other CoSM activities should be directed to [email protected]

Admission: $5, free with membership

CoSM Open

CoSM is now open to the public! Visit us and enjoy our extensive library of books on mysticism and the arts, sip and snack on the patio, and contemplate paintings and sculpture throughout the house and grounds.

R & Art Retreats at CoSM

Powerfully attune with the creative force of your soul in the tranquil beauty of nature.

To schedule a retreat at CoSM please e-mail [email protected] or call the CoSM office at

24 hours notice preferred for reservations.

Enjoy an R & Art stay at The Chapel of Sacred Mirrors in the heart of the Hudson Valley. Amenities in the fully restored guest house include continental breakfast, free Wi-Fi, a fascinating art and mysticism library appointed with altars and fireplace. Outdoors, CoSM offers 40 acres of wooded grounds to explore filled with hiking trails, a labyrinth walk, and site specific art installations.

Should you choose to wander beyond CoSM borders, we recommend the Walkway Over the Hudson, nearby scenic parks, boating on the Hudson, Dia Beacon Art Museum, Storm King Sculpture Park, local art galleries, Hudson Valley wine country tours and one-of-a-kind boutiques in neighboring towns.

CoSM is 65 miles north of New York City and accessible by Metro North Train leaving hourly from Grand Central Station.

Please Note: Before coming to CoSM be sure to check the event calendar and homepage scroll to make sure we are open.

CoSM’s normal hours of business are Friday-Monday from 12pm-6pm.

Hours may vary depending on event. Check specific event page for details!

Please note, CoSM does not allow pets of any kind.