The 2009 election to the Grand Council was held in the canton of Valais, Switzerland, on 1 March 2009. All 130 members of the Grand Council were elected for four-year terms. The centre-right maintained its control on the canton, with the Christian Democratic People's Party remaining by far the largest party, with 54 seats: down four from 2005. The classical liberal Free Democratic Party and the Social Democratic Party each lost two seats, leaving them on 28 and 17 respectively. The Christian Social Party gained one seat, tying them with the Social Democrats on 17 overall. The main winners were the national conservative Swiss People's Party, who doubled their number of seats to twelve. The Green Party added one seat, winning two overall.