Pokémon League (Alola), Pokémon Wiki

Alola Pokémon League is the Pokémon League of the Alola Region located in the Mount Lanakila. Originally in Alola, the Pokémon League was a Final Challenge that the Trainer needed defeat the Four Kahunas one more time and after defeat then all, the Trainer receives the title of Island Challenge Champion. In Pokémon Sun and Moon and Ultra Sun and Ultra Moon, Professor Kukui founded the Pokémon League of Alola and has invited he four strongest Trainers in Alola to become the Elite Four. In Pokémon

Elite Four - Bulbapedia, the community-driven Pokémon encyclopedia

Pokemon Promo May Have Confirmed the Alola League's Winner

Pokémon League (Kalos) - Pokémon Wiki - Neoseeker

Check Out Top 16 Competitors For The Pokemon Sun & Moon Anime's Alola League – NintendoSoup

Gladion (anime), Pokémon Wiki

Lillie (anime), Pokémon Wiki

SM128: League Offenders and Defenders!, Pokémon Wiki, Fandom

SM135: The Final Four!, Pokémon Wiki, Fandom

Lana (anime), Pokémon Wiki