The Cimarron Territory Celebration is a week-long festival includes a Chili Cookoff, Carnival, Parade, Team Roping, kids events, old fashioned church revivals, Poker Run, Hobby and Craft Show and the "Cow Chip Throwing Capital of the World." Beaver has been known since 1970 as the "Cow Chip Throwing Capital of the World.  This is held the third weekend of April, the annual World Championship Cow Chip Throw  is held as the centerpiece of the Cimarron Territory Celebration.

Held annually in early September at the Beaver County Fairgrounds, the Beaver County Free Fair is a delightful family event that everyoneis encouraged to attend and participate in.  Featuring Stock Car races, a plethora of exhibits & contests, a large Livestock show, a Ranch Rodeo, as well as Horse and Antique Tractor shows, and a free Hot Dog feed, the Beaver County Free Fair has something for everyone.