The Lairig Ghru () is one of the mountain passes through the Cairngorms of Scotland. The route and mountain pass partially lies on the Mar Lodge Estate. Like many traditional routes, the ends of the route through the Lairig Ghru are like the ends of a frayed rope. From the south the Lairig Ghru can be approached from Braemar though Glen Lui, or Glen Dee, and from Blair Atholl through Glen Tilt. From the north the Lairig Ghru can be approached from Glenmore through the Chalamain Gap, and from Aviemore through the Rothiemurchus Forest by way of the Crossroads above Allt Drùidh. Name Watson gives the place name "Làirig Dhrù", meaning pass of Dhru or Druie, with the local pronunciation "Laarig Groo". He suggests the "probable" derivation as from Drùdhadh meaning oozing. Any visitor to the summit of the Lairig Ghru would accept that as a possible derivation because two watercourses, one on each side of the summit, appear to "ooze" from the valley floor. However, Gordon is much less certain about the derivation of the name, writing: The weight of suggestion is - therefore - that Lairig Ghru is certainly the hill pass (of something) and that something is probably related to the water flowing from the floor of the valley close to the summit. Many Gaelic place names have lost their original spelling and meaning through translation into English. The prolific and late Dundonian mountaineer, Syd Scroggie felt that the name Lairig Ghru was such a case and suggested that the Lairig Ghru was the Lairig Ruadh (Red Pass). This fits with the original name of the mountain range, "Am Monadh Ruadh" (The Red Mountains). History Historically the Lairig Ghru has been used simply as a route between Deeside and Strathspey. It is often referred to as a Drove Road, and while it's not wrong to do so, arguably that over-emphasises one specific use. The Lairig Ghru has been a route used by many different people, for many different purposes as made clear in Haldane (1952), and was in regular use long before the height of the droving trade in the more peaceful times after the middle of the 18th century: The Lairig Ghru was used as a droving-route as late as 1873 - Haldane (1952) - to Braemar and farther south. Until approximately the 1870s men from Rothiemurchus annually, in the spring, cleared the track of rocks