I Lost Something in the Hills Lyrics

Lyric discussion by hindenburg 

Cover art for I Lost Something in the Hills lyrics by Sibylle Baier

The other interpretations mention nature, but to me, it sounds like the author using a nostalgic image of the site of her upbringing while talking about her mental state. Both in the recent past ("in the last past years") and in her childhood (where she felt "mad" and "deprived"), to which she attributes her current state (the origin of all [her] strong and strange moods)

Nostalgia
Despair
Loneliness
Yearning
Introspection
Nature
Mental Health
Childhood
Emotional Struggles
Nostalgic Reflection