Possible Clues:

• First winner of the Nebula Award for Best Novel, 1965
• White Sands National Park formation
• Sci-fi book set on a desert planet
• Mound in the Sahara
• Dark horse seen over eastern hill at coast?
• First winner of the Nebula Award for best science fiction novel
• 2021 sci-fi remake starring Zendaya
• Hill that may drift
• Hit 2021 film based on a Frank Herbert novel
• Ridge directly obscures Norway