Giving Tuesday

#GivingTuesday was created in 2012 as a simple idea: a day that encourages people to do good. Over the past nine years, this idea has grown into a global movement that inspires hundreds of millions of people to give, collaborate, and celebrate generosity.

Coalition For Good

We’re looking for 500 community members to rally behind the potential of our youth by giving at least $20 each month in 2021. A Coalition for Good - by the community, for the community. Your donation supports BBBS mentoring programs that help youth thrive.

30 Bigs in 30 Days!

We are pleased to announce we had a SUCCESSFUL September recruitment of Bigs! We currently have 18 new BIGS enrolled and cannot wait to get them matched! Know of someone who is still interested? Send them our way!

Give a Hoot

In collaboration with the Park County Community Foundation and BBBS of America, BBBS raised above their goal! Thank you all!

Big Brothers Big Sisters of BIG SKY COUNTRY

We are apart, but not alone. BBBS of Big Sky Country is here to support the children and the families of Gallatin, Park, Sweetgrass, Madison and Beaverhead Counties.

Video: Defending Potential

​Kudos to KBZK and Producer Carley Rainey for creating something beautiful. Discover the magic of mentoring! #DefendPotential.

Donate Now

The children we serve are central to all we do. They are surrounded by a team of parents/guardians, volunteers and donors, like you, who support their success in school and life.  Your donations stay right here in your community to reach more children and change their lives for the better, forever.

Donate now!

Covid-19 Response & Resources

Unsure what to do, or how to best support the people in your life?


Get Involved

Looking for a way to get involved with Big Brothers Big Sisters?  There are lots of opportunities, from becoming a Big, joining the board, volunteering on a committee, or attending one of our special events.

Start now!

Enroll A Child

Our vision is to see that all children achieve success in life.  There are no economic or family structure qualifiers for enrollment, and our services are always free.

Enroll now!

About Us

Since 1973, this *Big Brothers Big Sisters has served thousands of local children in Southwestern Montana.  Our mission is to create and support one-to-one mentoring relationships that ignite the power and promise of youth.


*(Previously operated as 2 affiliates; Big Brothers Big Sisters of Gallatin County and Big Brothers Big Sisters of Park & Sweet Grass Counties).

Learn more!


Major Sponsors
















Interested in becoming a communiry partner?  Contact us today!


The Big Event

Saturday, February 29 2020

Thank you to our volunteers, staff, supporters and local businesses for making the BIG Event such a success! See you next year!  The BIG Event 2020 | Best in the West Celebrating our rebrand as 'Big…

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20th Annual Big Sky Celebrity Golf Tournament

July 2021

    Since its inception in 2001, the Big Sky Celebrity Golf Tournament and Cocktail Party has been a major fundraising event for Big Brothers Big Sisters of Gallatin County. By attending the cocktail party (and auction)…

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Run to the Pub

March 16, 2019

This year, we supported our community by manning an aid station during the 2019 Run to the Pub! Thanks for all who helped us hand out water at our station! 

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