Headwaters Country Jam 2025 Montana Lineup. Headliners for 2023 included koe wetzel, parker mccollum, and ashley mcbride, but the lineup for 2025 may be the best yet! Headwaters country jam montana has released its 2025 lineup, featuring headliners bailey zimmerman, jon pardi and gary allan.

Headwaters country jam montana has released its 2025 lineup, featuring headliners bailey zimmerman, jon pardi and gary allan. Festival organizers are set to bring together another phenomenal slate of country acts for 2025, which will include three headlining.