The Watershed Festival has announced its 2015 lineup, with big acts including Dierks Bentley, Florida Georgia Line and Carrie Underwood.

The fourth annual festival has been set for July 31-Aug. 2 at the Gorge Amphitheater in George, Wash. Other performers set to hit the stage at the festival include Gary Allan, Frankie Ballard, Mark Chesnutt, Easton Corbin, Clare Dunn, Hunter Hayes, Sam Hunt, Jana Kramer, Joe Nichols, Parmalee, Michael Ray, Thomas Rhett and Chris Young, with more artists to be announced in the coming weeks.

"Watershed is so special to me personally, and I feel that the "'Shedders" are part of a huge extended family," Brian O'Connell, president of Live Nation Country Touring, says. "We try as hard as we can to continue to improve on one of the greatest experiences I have had the privilege to be involved with in my career, and this year will be no different. 2015's lineup is loaded ... I cannot wait until July 31!"

The Watershed Festival features multiple stages, including a Next From Nashville stage focused on highlighting upcoming country talent. The stage also hosts the festival's "Late Night" set.

Tickets for the three-day music and camping event go on sale on March 3 at 10AM PT at WatershedFest.com. Tickets start at $199 for a three-day pass, with camping starting at $150 for the weekend. Premium ticket and camping packages are also available.

What Did Carrie Underwood Look Like as a Child?

You Think You Know Florida Georgia Line?