Next week, outdoor enthusiasts are invited to join the Ranger at the National Trust for Scotland’s Grey Mare's Tail Nature Reserve, near Moffat, to learn how to navigate in the mountains. Knowing how to navigate with a map and compass is an essential skill for those who want to explore the hills safely, so this is the ideal opportunity to learn from the mountain leader qualified expert. Senior Ranger Richard Clarkson said, “Come along and learn new skills whilst exploring the stunning landscapes of the Grey Mare’s Tail safely – under expert guidance. Bring a map – either Landranger sheet…