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We welcome all who seek a vibrant spiritual home, where together we lovingly challenge and transform ourselves.

Empowered by our congregation’s rich history and our Unitarian Universalist traditions, we commit to courageously build a caring and just world.

Sunday Services

Sundays at 10 AM.

Directions & Map

RE: Children and youth begin in the sanctuary for the first part of the service, then proceed to Religious Education classes. Our Nursery provides care for infants and toddlers up to 3 years old; families can drop their children off 15 minutes before the service.

 Recordings of Past Services

Upcoming Services:

Sunday, September 13th, 2026

10 AM, Sanctuary and online
An Intergenerational Service; No Religious Education classes

Rev. Dr. Cynthia L. Landrum  - The Unitarian Universalist Association is debuting a new theme curriculum program for worship, religious education, and small group ministries called “Woven Faith.” September’s theme is “Interdependence” and we’ll explore it throughout this month. Our worship year begins in our new community with a service that reflects our interdependence through the metaphor of living water. You are invited to bring a small container of water from someplace that you connected to this summer or this past year – a place that represents for you a joy or a sorrow, a moment of peace, or a place centered in love. This service will also include our “Backpack Blessing,” which blesses our children and youth as they begin their school year. An ice cream social will follow the service!

Join Worship by Video: https://tinyurl.com/uucavsunday
Meeting ID: 999 7077 0266
Passcode: 01775
Join worship by phone: (929)205-6099 (long distance rates will apply)

ORDER OF SERVICE: (Check back here on the morning of service.)

A closed captioning option is available with online services. If the Closed Captioning option is not turned on, you can use the button at the bottom of your screen to request the host turn it on.

Saturday, September 19th, 2026

6:30 PM, Sanctuary
Evening Service

Yaakov Trek Reef, Intern Minister - Join us in marking the Jewish High Holidays of Rosh Hashanah and Yom Kippur with a special evening worship service. Through story, song, reflection, ritual, and the sound of the shofar, we’ll explore themes of renewal, repentance, forgiveness, and returning to ourselves and one another. All are welcome for this interactive and participatory service. You do not need to be Jewish or know anything about the High Holidays to join us.

Calendar

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Full calendar

News + Events

Friday, September 11th, 2026 - 5:30PM

Please join us on Friday, September 11 for our next dinner. There is no charge for the meal. Donations are gratefully accepted. On the menu this month is ratatouille. Salad, rice and dessert will be served as well. We offer options made with... Read more

Friday, September 18th, 2026 - 7:00PM to 9:00PM

All are welcome, kids and adults, to Game Night at the Unitarian Universalist Congregation in the Assabet Valley (UUCAV). Our next Game Night is Friday, September 18 from 7–9 PM. As always, feel free to bring your own... Read more

Saturday, September 19th, 2026 - 9:00AM to Sunday, October 11th, 2026 - 12:00PM

It’s time again for homemade apple pies in Stow! The Unitarian Universalist Congregation in the Assabet Valley (UUCAV), formerly First Parish Church of Stow & Acton, is once again selling our delicious homemade apple pies.

... Read more

Saturday, September 26th, 2026 - 11:00AM to 1:00PM

Come be re-energized, refresh your singing skills, and add a few new tools to your singing tool kit. Read more

Zentangle Chalice created by Rev. Dr. Cynthia L. Landrum, 2026

Saturday, October 3rd, 2026 - 2:00PM

Join us for a 2-hour session teaching the basics of Zentangle! Zentangle is a meditative doodling process where there are no mistakes, and the result is always beautiful. Zentangle is an 8-step meditation process, where art is the result but not... Read more

Photograph of Trevor Berens and Christopher Hossfeld.

Sunday, October 4th, 2026 - 4:00PM

Tenor Christopher Hossfeld and pianist Trevor Berens perform Schumann’s Dichterliebe and Britten’s Who Are These Children?, two powerful song cycles exploring memory, childhood, and loss.  Read more

Tea Ring Zentangle by Rev. Dr. Cynthia L. Landrum, 2025

Sunday, November 15th, 2026 - 2:00PM

This class is for anyone who has learned the basics of Zentangle. Now that we have those down, we're going to change it up and break the rules! Rev. Dr. Cynthia Landrum is the minister of UUCAV, but she's also a Certified Zentangle Teacher. For... Read more