(This measure has not been amended since it was introduced. The summary has been expanded because action occurred on the measure.) Arapaho National Forest Boundary Adjustment Act of 2017 (Sec. 2) This bill adjusts the boundary of the Arapaho National Forest in Colorado to incorporate approximately 92.95 acres of land. The Department of Agriculture shall include all federal land within the boundary in the Bowen Gulch Protection Area established under the Colorado Wilderness Act of 1993.