This dream is exposing a mystery whose time has come to be faced, embraced, erased and replaced. Once you have done this, what was formerly hidden becomes integrated into your life, you become more powerful and peaceful, and the world around you will mirror back your integration and -acceptance. See Hermit and Integration Dreams.... Strangest Dream Explanations
To dream of a hidden passageway, indicates hidden power and your desire for inner exploration and self-discovery. Something needs to emerge from your unconscious - and when it does, you will discover new opportunities and increase your level of consciousness.... My Dream Interpretation
(Boy; Enemy; Power; Snake; Troves; Unjust ruler; Woman) Ifthe treasure one discovers in his dream is hidden by a previous generation, it means receiving an inheritance, lawful earnings, a booty, a son from adultery, or it could represent an orphan because it comes from someone else’s earnings.... Islamic Dream Interpretation
Psychological / emotional perspective: In waking life we become very good at hiding our emotions.
A dream in which we must make an effort to uncover something suggests we perhaps need to understand why we do this. When an object is hidden in dreams we may have to first give ourselves permission to reveal whatever it represents.
To find a hidden jewel perhaps suggests a hidden talent.... Dream Meanings of Versatile