You will most certainly need hydration and a friend to complete this hide. If you lack either you will need to be very very creative to obtain the prize.
Wadeson Road is largely overgrown now, particularly at this end and people riding horses often take the route. The sign for the road at this end has disappeared in recent years, but the track/firebreak/bush still exists.
Make sure the cap is back in place securely when you put it back.