are elves immortal in lotr

Yes, elves in the Lord of the Rings universe are considered immortal beings. They have an extremely long lifespan and do not age in the traditional sense. They are also known for their incredible wisdom and magical abilities. However, they are not invulnerable to physical harm and can be killed if their physical bodies are severely damaged. Additionally, elves are not immune to certain mystical forces and can be affected by spells and magic.