From Bulbapedia, the community-driven Pokémon encyclopedia.

The Orange League (Japanese: オレンジリーグ Orange League) is the regional Pokémon League of the Orange Archipelago. It consists of the Gym Leaders of the Orange Crew. It has been established for at least 300 years. Less commonly in Japan, it is known as the Southern League because of its ties with the Southern Cross.

The Orange League is perhaps the least conventional of all the regional Pokémon Leagues, as it focuses less on Pokémon battling and more on how a trainer interacts with his or her individual Pokémon in lots of different circumstances. Orange League trainers are said to be tougher than those in the Indigo Pokémon League. However, meeting the requirements to enter Orange League competitions is a much simpler task; trainers must earn only four Badges instead of usual eight.

According to Tracey, young Pokémon trainers from the Orange Islands typically begin their Pokémon journey on Tangelo Island and work their way around the archipelago, winning Badges along the way. The trainers' final destination is Pummelo Island, where Orange League competitions are held. Competing in the Orange League is different from competing in other Pokémon Leagues. Trainers may freely challenge the top Gym Leader in the Orange Crew, called the Head Leader, at any time. Those who can defeat the Head Leader in a Full battle take the title of League Champion, as well as the coveted Winner's Trophy.

The Orange League is only featured in the anime and manga, as the Orange Archipelago is not accessible in any of the games.

Orange League is part of a series on the Pokémon League
	Participation Badges | Frontier Symbols Pokémon Battle | Pokémon Gym Pokémon Trainer | Gym Leaders Frontier Brains Trainers | Champions	Pokémon League Conferences Indigo | Silver | Ever Grande | Sinnoh Championship Matches Elite Four | Orange League | Battle Frontier