How can move scale on Pokemon flora sky?

In Pokémon Flora Sky, to use the move "Scale," you'll first need to obtain the HM that allows you to scale cliffs. After obtaining the HM, you can teach it to a compatible Pokémon. To use Scale, approach a climbable cliff and interact with it while having the Pokémon with the move in your party. This will allow you to ascend or descend the cliff and access new areas.