How do you get the hm move rock climb in Pokemon fire red?

You get the HM move Rock Climb in Pokemon Fire Red by completing the following steps:

1. Beat the Elite Four and become the Champion: This unlocks access to the Sevii Islands.

2. Travel to One Island: One Island is the first of the Sevii Islands. You can access it by taking the boat from the Cinnabar Island dock.

3. Find the Pokemon Mansion: The Pokemon Mansion is located on One Island.

4. Talk to the trainer in the mansion: The trainer will give you HM08 - Rock Climb after you defeat him.

Important Notes:

* You need to have a Pokemon that can learn HM moves in your party to get Rock Climb.

* You need the ability to Surf to reach One Island.

* You need to have completed the main game by defeating the Elite Four and becoming the Champion to access the Sevii Islands.

Enjoy using Rock Climb to explore new areas and reach higher ground!