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We have many opportunities for adults to plug in here at Thornapple!

If you have any questions about how to get connected, reach out to Pastor Tim Dieffenbach. 

Sunday School

Adult Sunday School runs from September - May. This second hour education time meets in the Sanctuary from 11:00-11:45 AM.


Lenten Study

From Jeff Munroe, our guest teacher: "I am fascinated by what we do with the pain we experience in life. Some people attempt to bury it--to ignore it by staying busy or just pretending it isn't there. But their pain is there, and always comes out at some time--often in flashes of anger. Others take it in and somehow grow from it; they become more empathetic and wiser. Frederick Buechner called this process "the stewardship of pain." "


"Over the last couple of years, I've been writing a book about this idea, focused on the stories of people who have experienced significant pain and have become good stewards of it. I've explored stories of murder, Alzheimer's, cancer, suicide, and accidental death. I also examine each story with a subject matter expert, who helps me dive deeper into the story. What I propose to do in the class is try out what I've been writing with you. Although the stories sound heavy, ultimately my book is about resilience and hope, two things we all need great deals of to successfully navigate the challenges of the modern world. Stories like these also create profound theological challenges for Christians. If you just believe life is random and there is no God, pain does not present an intellectual challenge. But if you believe in God, why do terrible things happen to innocent people? Questions like that lie behind all that I've written. I am looking forward to sharing these stories and getting feedback from real people (that's you) about them. I hope you'll join me."

Thoughtful Christian Discussion Group
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Thoughtful Christians Discussion Group is the continuation of the book study that began last fall. During Lent we will be using articles from the Reformed Journal to reflect on important topics of faith that we are confronted with in daily life. We meet from 7–8 PM on Wednesday evenings, beginning March 1. The articles will be available the week prior to the group and emailed to participants. Everyone is welcome to participate. Please put you name and email on the sheet in the narthex or email/call the church office if you would like to participate.

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Women's Bible Study

The Story by Max Lucado & Randy Frazee


The Wednesday Morning Women’s Bible Study will read The Story, by Max Lucado & Randy Frazee. The group meets at 9:30 AM in Fellowship Hall.


If you would like to participate in this study, click on our contact button below. If you chose to order the book and study guide (study guide optional) through TCC, the cost is $5.00/book & $10/study guide. 

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Ladies Spring Tea

Saturday, May 13 from 2 -4 PM

Put on your pearls and your sunhat and join us for a delightful authentic tea party! Spend an afternoon around the table with friends and family while sipping on some tea and enjoying tasty finger sandwiches and desserts. There will be some programmed time, but mostly, this is a gathering time with loved ones. This is for all ages and open to the community!


Adults are invited to participate in the Choir and in the Praise Band​.

Choir rehearsals are Wednesdays at 7 PM in the Sanctuary. The choir meets weekly from September-May, and several times during the summer.

Praise Band is always looking for more talented individuals who can sing and play instruments to join the rotating band!

For more information, contact Catharina Matthews (Choir Director) or

Michelle VanGeest (Director of Music).

Ongoing Activities

Thornapple offers a variety of groups, clubs and events throughout the year. For more information, get in touch with Pastor Tim.​

  • Women's Bible Study

  • God Winks Gathering

  • Pastors Lunch Bunch

  • Men’s Breakfast Gatherings

  • Threads of Love

  • Book Club 

  • Volunteer Teams

  • Dinner Groups

  • Servant's Picnics

  • Adult Choir

  • Praise Band

  • Wednesday Noon Prayers

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