岩山

1. Origins, structure, and basic meaning

• Structure: 岩山 is read as いわやま and is a noun for a mountain dominated by exposed rock or rocky terrain.
• Basic usage: Describe its appearance with 険しい岩山 and a path on it with 岩山の細い道.

2. Common pitfalls and similar expressions

• Difference from 山
  • 山 is a mountain generally; 岩山 specifically highlights rock as the mountain’s prominent terrain.
• Difference from 岩場
  • 岩場 may be a single rocky area or climbing section, whereas 岩山 denotes the mountain as a whole.