Rock Climb

Rock Climb can be taught to certain Pokemon from the Egg Move Tutors.  It is used to pass certain terrain types in the world of PokeOne.
 
A list of Pokemon that can learn Rock Climb:  Geodude, Graveler, Golem, Onix, Steelix, Sandshrew, Sandlash.
 
There are probably more and I will list them as I can.
Image from Bulbapedia.com

Similar Terms: Rockclimb