The Challenge de Curling de Gatineau (formerly the Challenge Chateau Cartier de Gatineau and the Challenge Casino Lac Leamy) is an annual bonspiel, or curling tournament, on the World Curling Tour. It is held annually in late October in the City of Gatineau, Quebec. The men's tournament was started in 2009, while the women's tournament was started in 2011, but discontinued after 2013.
Beginning in 2011, the event shifted venues to the Centre Sportif Robert Rochon in Masson, Quebec in the Masson-Angers sector of the city and the Buckingham Curling Club in the Buckingham sector.