Related Clues:

• Park, for one
• Clearing
• Treeless tract
• Expanse
• Undeveloped expanse
• It's undeveloped
• Range, e.g.
• Clearing, e.g.
• Field, e.g.
• Place to set up camp
• Clearing in the woods
• Agoraphobe's anathema
• Forest's clearing, for example
• Where there's room to move
• Plot lacking development