This is the 4177th most frequent Japanese word.
上る
"上る" (noboru) means "to go up, ascend, or climb."
In this sentence, "上る" is used to describe the action of ascending or climbing up a mountain, indicating a physical upward movement.
山を上るのは楽しいです。
Climbing up the mountain is enjoyable.
Here, "上る" figuratively represents an increase in numerical or abstract value, like prices rising over time.
価格が上るにつれて需要が減りました。
As prices increased, demand decreased.
This example uses "上る" to signify the action of going upwards along the stairs, which is a motion in a specific direction.