巌

rock, crag, boulder

Kun

いわ · いわお · けわしいiwa · iwao · kewashii

On

ガンgan

Kun is the Japanese reading, used when the kanji stands alone with kana after it. On comes from Chinese and is mostly used in compound words.

Radical

山mountain

Parts

山mountain耳ear⺌smallform of 小厂cliff攵rapform of 攴