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corbetts
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Beinn Bhreae-liath (802m)
Beinn Ulaidh (840m)
Beinn Mhic Mhonaidh (796m)
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ascent
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950m (2,950ft)
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distance
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11km (7m)
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time
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running : 2hr, walking : 4:20hr*
*Naismith's rule : 4km/h distance + 600m/h ascent
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profile
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location
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view map of location
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start/finish
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by Invergaunan in Glen Orchy (grid ref : NN278368)
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maps/guides
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This area is covered by 1 OS Landranger 1:50000 and 1 OS Explorer 1:25000 maps :



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GPX data
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download a GPX file of the main route
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stroll |
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images
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view photos of the route and hills
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main route summary
Mam na orchy is a fine little accessible Corbett that's easy to ascent with vast views from the summit.
main route outline
Getting there
Glen Orchy runs from Bridge of Orchy on the A82 to Dalmally on the A85. A narrow road follows the River Orchy through the glen. Parking for Beinn Bhreac-liath and Beinn Ulaidh is by a bridge over the Allt Ghamhnain and next to a gate accessing the thick adjacent forest. Parking for the route up Beinn Mhic Mhonaidh is by the bridge at the Eas Urchaidh, or alternatively 100 metres to the north in a layby.
Beinn Bhreac-liath
From by the bridge over the Allt Ghamhnain, cross north and walk until a gate is met. Head through the gate and up a track towards the house at Invergaunan. As the house is approached, look for a faint path heading to the base of the hill directly ahead. The path gradually fades into the grass. On pathless terrain the going underfoot is pleasant on the flatter ground. Continue up the north-west shoulder of Beinn Bhreac-laith and as the 700m contour is reached, the ground levels out and it's an enjoyable walk continuing to the summit while enjoying the views, particularly back towards Beinn Dorain. A few false summits are passed to reach a small cairn marking the hill's summit. Fine views in all directions.
Beinn Ulaidh
From Beinn Bhreac-liath's summit, turn south-west and drop on grass and rush covered gentle slope to the bealach below with its small lochan. Continue south-west and begin to climb. Easy at first, the route then appears to initially curve around some rocks, but a faint path can be found to clamber over them. Head northwards on the plateau and a large cairn with the remains of an abandoned mast are met on the summit.
Return
Head northwards for a bit, then start to lose height. Some large rocks protruding out of the otherwise grass covered slopes will be encountered. These rocky outcrops form the quartzite dyke that can been seen from the north forming a long unusual line up Beinn Ulaidh's northern shoulder. Contained in the rock is a tiny amount of gold (click here for more info) ! Follow this line of rock downhill to meet the Allt Ghamhnain, then head north-west through grass and trees back to the road.
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Beinn Ulaidh and Beinn Bhreac-liath from Glen Lochy
Ascent : 800m, distance : 9km
From the buildings at Arinabea, 3km west of Tyndrum on the A85, a fire break follows a burn northwards and uphill. The going underfoot is fine and grassy and the bealach between Beinn Ulaidh and Beinn Mhic Monaidh is quickly reached. Bag the corbetts as described on the left and return by the same route.
Beinn Mhic Mhonaidh
Ascent : 775m, distance : 12km
On the B8074, 6km south-west of the bridge over the Allt Ghamhnain, the River Orchy flows rapidly through a narrow gap and over slabs called Eas Urchaidh. The route to Beinn Mhic Monaidh starts from this point and heads over the river via a girder bridge. Ignore the bothy beyond the bridge and head northwards up a decent track. Climbing gradually, the track begins to turn west and comes to a clearing then a junction with a sign pointing northwards to a mountain-bike trail and the direction for mountain ascent. Heading in the marked direction, a bridge is crossed, then a sharp left-turn takes you to the base of a steep track - ignore this track and keep on a fainter path on level ground. Another sign points the route into theforest, which crosses a minor burn, then heads uphill following a tall deer-fence. Further on, the track becomes a well defined path and reaches a stile over the fence that marks the forest boundary. Once crossed, a faint path is followed through grass and rush aiming northwards, directly for Beinn Mhic Monaidh's summit. A small cairn sits on the summit and fine views can be enjoyed on clear days.
Return by the same route.
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