Possible Clues:

• Test going without a jumper over hilly area of Britain
• Wild scene in Othello with former lover at forefront
• Park to the west of Middlesex with deer around
• Area of SW England designated as a national park
• Wild area of southwest England
• Hilly area close to village? Take wrong sign by low river
• Rex travelling round low part of the West Country
• Romeo wandering, holding cross on heathland
• Devon and Somerset national park
• In the West Country without having to hitch