Trainer Hill

Trainer Hill (Japanese: トレーナーヒル Trainer Hill) is a facility in located just north of Mauville City, on. Much like Trainer Tower in the Sevii Islands on, Trainer Hill is a tower designed for s to race and through quickly. The concept remains mostly unchanged from the Trainer Tower: each battle mode has a default time and if beaten, offers a rare in-game item as prizes. The undefined's will not be healed between battles, though recovery items such as s and s can be used both during and between battles. Unlike Trainer Tower however, the prizes here vary depending on the time taken, and all battles conducted here are Double Battles (although the player can battle each of the two opponents separately in some rooms). Instead of different battle types, the modes here escalate in difficulty.

Trainer Hill also has a Pokémon Center and a Poké Mart inside of it. Since there are Trainers with Pokémon that are not in Hoenn's regional Pokédex, such as, Trainer Hill's challenge will be closed until the player has entered the Hall of Fame.

Battles conducted inside of Trainer Hill do not award experience or money. The level of the Pokémon used by Trainers will also match the player's highest-leveled Pokémon.

In the original Japanese release of Pokémon Emerald, Trainer Hill also serves as a facility with compatibility for the e-Reader, like Trainer Tower in Pokémon FireRed and LeafGreen. Cards from the Pokémon Battle e Emerald set can be used to modify the Trainers the player can battle, as well as the floor layout, and the top prize they can earn. The default layout of Trainer Hill in the Japanese version has two floors with the same Trainers on each floor for each playthrough. Scanning cards can increase this to a maximum of four floors. The set of Pokémon that each scanned Trainer will use is also dependent on whether they were scanned first or second for that floor.

The Trainers and individual floor layouts featured in the localizations are taken from the cards found in the Pokémon Battle e Emerald set.

Replacement Trainers
In the event that an odd number of cards are scanned, the game will place a preset alongside the last Trainer scanned, as two are always required for one particular floor. The amount of cards scanned will influence this preset Trainer:
 * if only one card is scanned, it will cause a Trainer to appear on the first floor;
 * three cards will make a Trainer appear on the second floor;
 * five cards will make a Trainer appear on the third floor;
 * seven cards will make a Trainer appear on fourth floor.

The preset Trainer is the same for each individual floor.

In other languages
Trainerberg Colina Desafío Mont Dresseurs Monte Allenatori トレーナーヒル 训练家之丘