Mt. Silver/Geography

In the games, Mt. Silver is off-limits to all but the most skilled of Trainers. After the undefined has received all sixteen badges of Johto and Kanto, Professor Oak will give the player permission to travel here.

The route to the area is rough, though no HMs are explicitly required to reach the Pokémon Center just outside the entrance. Inside, however, the cave is dark, requiring to see in the first room. Many high-level Pokémon reside in the cave, as well as rare Pokémon not found elsewhere in the Johto region, like and.

The cave has only one entrance, unlike all other caves found in, but goes deep into the mountain. In the cave's final room, the player will encounter, who will wordlessly challenge the player to what is the highest-leveled Trainer battle in the Pokémon series.

In, Mt. Silver is much larger than before. is no longer needed to light up the cave. The higher sections of the cave, where Red is located, require to be accessible. At times, the player must also venture onto the slopes on the mountain's sides in order to climb higher. In addition, a is present at the summit, which assumes the hail weather condition in battle; this weather can become  on certain days.