Beinn Liath Mhòr, Mountain summit in Northwest Highlands, Scotland.
Beinn Liath Mhòr is a mountain summit in the Northwest Highlands of Scotland that stretches over two kilometers with an undulating ridge maintaining elevation above 800 meters throughout. Its summit is composed of pale quartzite rock formations overlying older sandstone layers.
The mountain formed during the Cambrian period with distinct layers of quartzite and Torridonian sandstone creating its characteristic structure. These geological formations were shaped over millions of years and remain visible in the ridge today.
The name comes from Scottish Gaelic meaning 'Big Grey Mountain,' a reference to the pale quartzite stones that cover its summit ridge. These rocks give the peak its distinctive pale appearance when viewed from distance.
The summit is accessible from Achnashellach station via the A890 road, with a marked trail leading through Coire Lair to the southeast ridge. Weather can change quickly at this elevation, so visitors should be prepared with appropriate gear and check conditions before setting out.
From the ridge area, hikers can spot numerous small mountain lakes scattered across the surrounding landscape alongside distant views of neighboring Torridon peaks. Few visitors realize how many water features are visible from this vantage point.
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