Finding a Historic Retreat in Central Texas Fort Parker State Park  is a 1,458-acre state park located near Mexia in Limestone County, Texas, approximately two hours from the Dallas-Fort Worth area. Established in 1941, the park offers a blend of outdoor recreation and Texas history centered around Lake Fort Parker, a 750-acre reservoir created by the Civilian Conservation Corps. Quick Facts: Location:  194 Park Road 28, Mexia, TX 76667 Size:  1,458.8 acres Day Use Fee:  $5 p