Dunes dream meaning is explained below using 3 different sources. Each interpretation is shown with its source.

Interpretation 1 — Martha Clarke

They predict obstacles on the way to achieve intended goals, so it is advisable to be patient and smart in order to avoid them. Lying in between dunes evidences withdrawal during difficult moments, as well as outright emotional or economic losses.
Source: The Big Dictionary of Dreams Author: Martha Clarke

Interpretation 2 — Joan Seaman - Tom Philbin

1. Flexibility, ability to change.

2. Protection or obstacle to spiritual life.

Source: New American Dream Dictionary Author: Joan Seaman - Tom Philbin

Interpretation 3 — Klaus Vollmar

Memories of travels; temporary. Something is fizzling out. Quicksand, Sand, Beach.
Source: Little Giant Encyclopedia Author: Klaus Vollmar