Mountain defeated Great Lakes 12–2 in the 2026 Little League World Series United States championship game.
The game was played on August 29, 2026, as Game 36 of the tournament. Mountain represented Paseo Verde Little League from Henderson, Nevada, while Great Lakes represented the opposing U.S. region.
The 12–2 victory made Mountain the United States bracket champion. Great Lakes had reached the U.S. final after advancing through the American side of the double-elimination-style tournament structure.
Mountain’s win set up the overall championship game against Curaçao. The international champion won that next game 11–2, but Mountain’s 12–2 result remained the decisive score in the U.S. final.