Beinn Ghlas is a

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...

in the Breadalbane region of the

Scottish Highlands The Highlands (; , ) is a historical region of Scotland. Culturally, the Highlands and the Scottish Lowlands, Lowlands diverged from the Late Middle Ages into the modern period, when Scots language, Lowland Scots language replaced Scottish Gae ...

. It lies on the north shore of

Loch Tay Loch Tay () is a freshwater loch in the central Scottish Highlands, highlands of Scotland, in the Perth and Kinross and Stirling (council area), Stirling Subdivisions of Scotland#Council areas, council areas, the largest body of fresh water in ...

and is part of the

Ben Lawers Ben Lawers () is the highest mountain in the Breadalbane, Scotland, Breadalbane region of the Scottish Highlands. It lies north of Loch Tay and is the highest peak of the 'Ben Lawers group', a ridge that includes six other Munros: Beinn Ghlas, Me ...

Range. It is a

Munro A Munro (; ) is defined as a mountain in Scotland with a height over , and which is on the Scottish Mountaineering Club (SMC) official list of Munros; there is no explicit topographical prominence requirement. The best known Munro is Ben Nevi ...

with a height of . The

Gaelic Gaelic (pronounced for Irish Gaelic and for Scots Gaelic) is an adjective that means "pertaining to the Gaels". It may refer to: Languages * Gaelic languages or Goidelic languages, a linguistic group that is one of the two branches of the Insul ...

name is translated as 'grey-green mountain', which refers to the colour of the

mica-schist Schist ( ) is a medium-grained metamorphic rock generally derived from fine-grained sedimentary rock, like shale. It shows pronounced ''schistosity'' (named for the rock). This means that the rock is composed of mineral grains easily seen with a ...

that makes up the bulk of the mountain and that falls as a

scree Scree is a collection of broken rock fragments at the base of a cliff or other steep rocky mass that has accumulated through periodic rockfall. Landforms associated with these materials are often called talus deposits. The term ''scree'' is ap ...

on its south-western side. The path up the mountain leads past outcrops of this rock that also reveal large

garnet Garnets () are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. Garnet minerals, while sharing similar physical and crystallographic properties, exhibit a wide range of chemical compositions, de ...

s. The usual route to the summit leaves from the car park, follows Edramucky Burn, and climbs to the south-western ridge of the mountain. The deep corrie of ''Coire Odhar'' (the dun-coloured corrie) lies to the north. Walkers who continue on to Ben Lawers can avoid the 100-metre re-ascent of Beinn Ghlas on their return by taking the path that runs west of the summit, down to Coire Odhar.

References

Munros Mountains and hills of the Southern Highlands Mountains and hills of Perth and Kinross National Trust for Scotland properties One-thousanders of Scotland {{PerthKinross-geo-stub