OSBM Bolt: by A87 

OSBM Bolt, rock, 7.0m SE of fence angle, 4.9m NE of fence.
Location
Grid reference: NH 2798 0180.
Landranger 34: Fort Augustus, Glen Albyn & Glen Roy.
Structure: Rock outcrop.
Waypoint: OS2122.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Loch Tarff,
16.17km to the northeast.
Location
Grid reference: NH 2798 0180.
Landranger 34: Fort Augustus, Glen Albyn & Glen Roy.
Structure: Rock outcrop.
Waypoint: OS2122.
Neighbouring Flush Brackets
| G1046 | Invergarry, Telephone Exchange 3.01km to the east. |
| G1047 | North Laggan 3.77km to the southeast. |
| G1048 | Laggan 4.56km to the south. |
| G1775 | Allt-a-Bhiora Bridge 5.54km to the west. |
| G1045 | Bridge of Oich 5.91km to the east. |
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