The Grand Mesa National Forest is a U.S. National Forest in Mesa, Delta and Garfield Counties in Western Colorado. It borders the White River National Forest to the north and the Gunnison National Forest to the east. The forest covers most of Grand Mesa and the south part of Battlement Mesa. It has a total area of 346,555 acres. It is managed by the United States Forest Service together with Gunnison National Forest and Uncompahgre National Forest from offices in Delta, Colorado.