We will be sharing more information with you soon... please watch for a postcard to be delivered later this summer.

We will be down for maintenance Saturday evening 7/31/2021 through Sunday morning 8/1/2021. Online banking will be down and other services may be interrupted. Sorry for the inconvenience.

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Yellowstone Blue Mountain

Become A Member

Become A Member

Membership Info

Who Can Become a Member

Persons who live, work, worship, or attend school in, and businesses and other legal entities located in the rural district of Albany, Big Horn, Campbell, Carbon, Converse, Crook, Fremont, Goshen, Hot Springs, Johnson, Laramie, Lincoln, Natrona, Niobrara, Park, Platte, Sheridan, Sublette, Sweetwater, Teton, Uinta, Washakie, or Weston Counties, Wyoming; or Carbon, Stillwater, Sweet Grass, Park, Gallatin, Broadwater, Powder River, Custer, Rosebud, Treasure, Big Horn, or Yellowstone Counties, Montana; or Grand, Rio Blanco, Jackson, Routt, or Moffat Counties, Colorado

How to Join

Visit one of our locations to complete the paperwork and deposit your $25 pledge.