Difference between to go up and get higher in Korean
올라가다·높아지다

올라가다to go up
The word "to go up" means moving from a lower place to a higher place. In Korean, 올라가다 is used when someone goes upstairs, climbs a mountain, or moves up something like stairs or a hill. You can use it for people, animals, and things that move upward.

높아지다get higher
높아지다 means that something becomes higher than before. You can use it for real height, and also for things like prices, temperature, scores, or sound. Use it when something goes up or increases.
The difference
to go up (올라가다) and get higher (높아지다) are nearby Korean vocabulary items learners often meet together. Use “to go up” when The word "to go up" means moving from a lower place to a higher place. In Korean, 올라가다 is used when someone goes upstairs, climbs a mount… Use “get higher” when 높아지다 means that something becomes higher than before. You can use it for real height, and also for things like prices, temperature, score…