The Oregon State Beavers share an intense, historic intercollegiate athletic rivalry with their in-state foes, the University of Oregon Ducks. Commonly known as the Civil War rivalry, athletic battles across football, basketball, and other varsity sports feature deep-seated regional pride, hostile environments, and decades of competitive history. These games generate immense excitement, passionate fan engagement, and high-stakes drama every single athletic season, captivating supporters across the Pacific Northwest and remaining a cornerstone of collegiate sports tradition.