OSBM Bolt: by Lochan Bad an Losguinn 

OSBM Bolt, 14.6m SE of stream, 2.7m SW of fence angle.
Location
Grid reference: NH 1568 0360.
Landranger 34: Fort Augustus, Glen Albyn & Glen Roy.
Structure: Unknown.
Waypoint: OS2124.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Glen Cluanie,
12.59km to the northwest.
Location
Grid reference: NH 1568 0360.
Landranger 34: Fort Augustus, Glen Albyn & Glen Roy.
Structure: Unknown.
Waypoint: OS2124.
Neighbouring Flush Brackets
| G1771 | Bridge of Loyne 1.20km to the north. |
| G1772 | Tomdoun Hotel 2.50km to the south. |
| G1773 | Inchlaggan ? 2.66km to the southeast. |
| G1770 | Allt Mor Bridge 2.94km to the northwest. |
| G1774 | Ardochy 5.50km to the east. |
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