Grampa Canyon

Grampa Canyon (Japanese: グランパキャニオン Grampa Canyon) is an -exclusive location in Kanto. It is found right outside of Neon Town and is located between the and Cinnabar Island.

When and  were traveling through the canyon in Attack of the Prehistoric Pokémon, they learned that some ancient Pokémon Fossils were found recently. Along with, the kids began digging in the canyon to look for the Fossils. Meanwhile, had planned to blow up the entire canyon to collect the Fossils with dynamite, which would have placed several innocent bystanders in mortal danger.

Thanks to Team Rocket, Ash and ended up in a hidden cavern found in the canyon. There, they found that five extinct Pokémon were living alive and well. They weren't happy about being disturbed, and eventually an lifted Ash out of the cave. He was saved by his evolving into  and battling it. As a result of the entire incident, paleontological work for finding any Pokémon Fossils was shut down indefinitely.

In addition to the ancient Pokémon, Ash also found an in the canyon. It would eventually hatch into a that would imprint  as its owner.

Trivia

 * This location is referred to as Grandfather Canyon in The Official Pokémon Handbook #2.

In other languages
Grandpa Canyon Canyon del Nonno 大傻谷