The Girls Junior America's Cup was established in 1978 under the leadership of Joan Teats from the state of Washington. The first tournament was held at Tumwater Valley Golf Course in Olympia, Washington. Eleven teams participated including Alberta, Arizona, British Columbia, Idaho, Northern California, Northern Nevada, Oregon, San Diego, Southern California, Southern Nevada and Washington.

The second year teams from Colorado, Mexico, Montana and Utah joined the event. In 1985 Hawaii joined this prestigious competition along with New Mexico/Sun Country in 1990. Wyoming completed the 18 team event in 1991.

The purpose of the Girls Junior America's Cup is to bring girls together from various states and countries fostering new friendships and mutual respect. It promotes better understanding of our regional history and customs, allows us to learn about different cultures, while demonstrating we are more alike than different. It develops pride in self, team, state and country.

Each team consists of the top four girls from each state/country. These golfers exemplify not only outstanding skill and experience, but also true sportsmanship, discipline, courtesy and strength of character.

The tournament is a 54-hole competition with teams counting three scores and throwing out the team's highest score. The event also includes a practice round, opening and closing ceremonies, a tournament banquet and a social event. Being chosen to represent your state/country to play in the Girls Junior America's Cup is one of the highest honors in girls' junior golf.