To be certain, it's best to:
1. Consult your owner's manual: This will have diagrams and specifications for your specific vehicle.
2. Use a repair manual: A Haynes or Chilton repair manual for your year and model Escape will have detailed diagrams and instructions.
3. Search online for images: Searching "2001 Ford Escape 3.0L V6 PCV valve location" on Google Images may provide visual confirmation.
Keep in mind that access might require removing some parts, depending on the exact placement.