Colonial Country Club is a private golf club in the southern United States, located in Fort Worth, Texas. The club has hosted an annual PGA Tour event, the Colonial National Invitation, since 1946; it is the longest running non-major tour event to be held at the same venue. The golf course is located on the south bank of the Clear Fork of the Trinity River, just n…Colonial Country Club is a private golf club in the southern United States, located in Fort Worth, Texas. The club has hosted an annual PGA Tour event, the Colonial National Invitation, since 1946; it is the longest running non-major tour event to be held at the same venue. The golf course is located on the south bank of the Clear Fork of the Trinity River, just northwest of the campus of Texas Christian University.