Dogs eligible to compete in sanctioned Nursery trials during the 2024-2025 qualifying year must have been born after October 1, 2021.

2025 National Finals Dates
June 16-21, 2025

Mountain States
Stockdog Association

MSSA was established in early 2016 to promote the working stockdog via trials and clinics in the mountain states. Our goal is to encourage the use of skilled working stockdogs in all aspects of ranching, as well as create trials in which to compete with our dogs and create relationships with other dog handlers!

 At our core, we are a collective of ranchers, dog handlers, trainers and hobbyists coming together to trial, train, and improve our dogs’ and our own stock handling capabilities!

 As of July 2019, we started sanctioning trials throughout the entire United States and Canada.  We have also expanded to both cattle and sheep trials.

 Our National Finals event is the largest and most intense stockdog competition in the Nation.  It takes place in Afton Wyoming each July showcasing the working stockdog and lasts the entire week.  Handlers spend all year attending trials trying to qualify to compete at the Finals Event.

 We support a family friendly atmosphere at all our sanctioned events and want all to feel welcome and appreciated. The MSSA strives to create a feeling of camaraderie among handlers, encouragement, and fun. We want all handlers and dogs – regardless of skill or experience – to enjoy, learn, and improve with each clinic and trial!

As an association, we will sanction Open, Intermediate, Nursery, and Novice classes.

We hope that you will join us and please do not hesitate to contact us with any questions you may have!

To sign up for our Email Blasts that contain upcoming trials,
Finals Info, and special Information….