In this article, the author explores the cooperative aspects of mound construction in Late Iron Age Scandinavia. Arguing against the outdated but widely held view that only centralized rule could organize monument construction, he investigates how participation in mound construction affected the people of Sør-Fron in south-eastern Norway. He contends, first, that repeated participation in mound construction helped create a sense of belonging and shared identity, which was maintained through centuries of major environmental and political turmoil. Second, mound construction was part of an active and conscious strategy to limit aggrandizement and prevent centralization and concentration of power. Rejection of Christianity arguably worked in similar ways. The author concludes with considerations of approaches to Iron Age monuments, emphasizing the importance of consensus and community-building and the role of communal opposition to centralized rule.