"John's advice to fellow hikers now? "Leave a message in the front of your car on your dashboard saying where you've gone walking, as well as having told somebody... how long the walk is likely to last," he said.
"Have another method of navigation... I would strongly recommend to people having a GPS device with a full scale map of the area that you're walking in."
Ian added: "Just go with orange [clothing]. You look a little bit louder down the high street, but you're easy to find.""
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