2026 Workshops are Here!

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GREY HOUSE

The Visionary Victorian Guest House

Stay Overnight in the Grey House at CoSM!

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

Enjoy an R&R stay at the Chapel of Sacred Mirrors in the heart of the Hudson Valley.

View Virtual Tour

The Grey House is open for overnight accommodations Thursday through Sunday each week. During peak workshops and event times, weekend availability is limited. The Grey House has 10 guest bedrooms, offering king and queen suites as well as dorm beds for groups or a more economical option.

Please note: Same day reservations are not available online. Contact us directly to inquire about same day availability.

Amenities Included with Overnight Stays

Breakfast & Common Areas

  • Access to our make-your-own breakfast bar
  • Common areas including the Grey House Gallery
  • Art and mysticism library with altars and fireplaces
  • Free Wi-Fi

Entheon Access & Grounds

  • Complimentary access to Entheon during visiting hours, Friday through Sunday 12-6pm
  • 40 acres of wooded grounds with walking trails, labyrinth, and art installations
  • Experience the Mushroom Cafe (open 12-6pm Fri-Sun)

The Mushroom Cafe at CoSM

Savor our menu featuring healthful mushroom delights, including wraps, paninis, coffee, teas, elixirs, local kombucha, and desserts. Featuring vegan and gluten-free options. Admire the Mushroom Cafe mural showcasing mycelial artistry by Visionary Artists.

Hours: Friday through Sunday, 12pm - 6pm

Event Night Stays

During busy workshop and event periods, weekend availability for room reservations is limited. CoSM reserves all guest rooms during Full Moon and Celestial (Equinox, Solstice, D&D) celebration weekends for artists and performers. Remaining rooms may become available closer to the event, but availability isn't guaranteed. Final bookings will be confirmed 1-2 weeks before the event.

Please note: Entry to events is not included with overnight reservations.

To be added to our Event Night waiting list, please fill out the form here:
Event Night Accommodations Waiting List

Getting to CoSM

CoSM is 65 miles north of New York City and accessible by the Metro North Train. The New Hamburg Station is located one mile from CoSM.

Important: Walking is not advised as the road to CoSM is not pedestrian-friendly. Local taxis or ride share options are strongly recommended.

Nearby Attractions

Should you choose to wander beyond CoSM grounds, we recommend:

  • 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
  • One-of-a-kind boutiques in neighboring towns

For further recommendations, contact stay@cosm.org

Reservation Policies

Cancellations

In the event of a cancelation, please contact us at least seven days prior to your arrival date for a full refund. For cancellations or adjustments with less than seven days notice, please understand that you will be responsible for your entire reservation. If your room(s) can be rebooked, a full or partial refund may be made.

Arrival

Room check-in is available from 3pm - 6pm, Thursday through Sunday. If arriving outside of standard check in hours, please contact the Hospitality department at stay@cosm.org to coordinate arrival time. Late check in is not guaranteed and is only available upon confirmation with Hospitality.

Departure

Room check-out is at 11am. Room check-out after Full Moon and Celestial event nights is 12pm.

Damages and Breakages

You are responsible for any breakages or damages caused to the accommodation or its contents. Please report these as they occur. We do not normally charge for minor breakages, but reserve the right to charge your card or invoice for significant or unreported damage.

Liability

We do not accept liability for damage, loss, or injury to your party, vehicles, or possessions, unless proven to be caused by a negligent act by ourselves or our contractors whilst acting in the course of employment.

No Pets

Pets are not allowed at CoSM. Please contact stay@cosm.org if you need help making arrangements to board your pet.

Quiet Hours

Quiet hours are from 10pm - 10am, or once events conclude. Non-paying visitors are not permitted in guest rooms during quiet hours. All overnight guests must pay and register.

Parking

Guests are welcome to park in the Entheon parking lot or the CoSM office parking lot. Parking on roadways is strictly prohibited.

No Smoking

Absolutely no smoking inside, however designated outdoor smoking areas are available. Additionally, vaping, incense, and candles are not permitted.

Explore the Grey House

Guest Rooms

Cosmic Elf Dorm
Pyramid Room
Rose Room

Common Areas

Photo Coming Soon
Photo Coming Soon

Outdoor Spaces & Grounds

Minerva Statue on CoSM Grounds
Wisdom Trail at CoSM
Outdoor Art Installation on Grounds

Questions?

Contact stay@cosm.org
(845) 297-2323 ext. 104
for more information