The probable entrance passage at Upper Latheron broch at right, with a course of large blocks heading left towards the bedrock of the crag supporting the broch.
Image credit: Les Hamilton
LesHamilton
Intermittant walling blocks peek out through the long grass.
Image credit: Les Hamilton
Another walling course peeks out through the long grass.
Image credit: Les Hamilton
Knockinnon broch viewed from the field gate adjacent to the A9.
Image credit: Les Hamilton
This image shows the mound-on-mound structure typical of many Caithnesss brochs.
Image credit: Les Hamilton
Walling courese, generally in excess of a metre in height, surround Thrumster Mains broch, except where they were excavated to locate the summer house.
Image credit: Les Hamilton
The entrance passage to the northwest of the broch.
Image credit: Les Hamilton
The walling round the broch is around 4 metres in width and capped by well manucured turf.
Image credit: Les Hamilton
The flight of steps that led down to an intramural gallery.
Image credit: Les Hamilton
Looking down the steps towards an infilled ground-level gallery at Thrumster Mains broch.
Image credit: Les Hamilton
The gap in the broch wall, occupied by the ruins of a 19th century summer house.
Image credit: Les Hamilton
Some of the stones lining the entranceway.
Image credit: Les Hamilton
The rudimentary stump of an original dun wall.
Image credit: Les Hamilton
Only a few of the larger stones have survived the pillaging of this dun in the 19th century.
Image credit: Les Hamilton
These grass covered ramparts presumably conceal the footings of long-vanished walling around the dun.
Image credit: Les Hamilton
There is still a semblance of orded within the ruined interior of East Kinnauld broch.
Image credit: Les Hamilton
A section of internal walling courses still stands within the broch.
Image credit: Les Hamilton
The well proportioned guard cell at East Kinnauld broch.
Image credit: Les Hamilton
A gallery can just be discerned leading past the section of neat walling courses.
Image credit: Les Hamilton
Evidence of an intramural gallery beneath the rubbls.
Image credit: Les Hamilton
Carn na Mairg stands on the bank of the River Thurso.
Image credit: Les Hamilton
Cairn na Mairg, as seen on approach from Westerdale to its north.
Image credit: Les Hamilton
A thick growth of nettles all but obscures the entrance passage to Cairn na Mairg.
Image credit: Les Hamilton
The entranceway at Carn na Mairg, thickly obscured by nettles.
Image credit: Les Hamilton
The entrance passage and portal at Carn na Mairg.
Image credit: Les Hamilton
Outer walling courses on the eastern flank of the broch.
Image credit: Les Hamilton
Outer walling courses exposed at Carn na Mairg.
Image credit: Les Hamilton
An exposed section of gallery at Carn na Mairg.
Image credit: Les Hamilton
Tulach an Fhuarain, photographed from the River Thurso.
Image credit: Les Hamilton
Tulach Lochain Bhraseil viewed from the bank of the River Thurso.
Image credit: Les Hamilto
The entrance passage to Achvarasdail broch, viewed from the interior.
Image credit: Les Hamilton
In this picturesque image of Tulach Buaile a’Chroic broch, two other broch mounds are visible in the background.
Image credit: Les Hamilton
The 3.5 metre tall mound of Tulach Buaile a’Chroic beside the River Thurso.
Image credit: Les Hamilton
Tulach Buaile a’Chroic viewed from the south.
Image credit: Les Hamilton
This small exposure on the northwest of the broch is the only visible walling.
Image credit: Les Hamilton
What may be remnants of a foundation course peek out from the upper southwest flank of the broch.
Image credit: Les Hamilton
Caisteal na Coille broch, perched on its mound, and flanked by the gorge of the River Blackwater.
Image credit: Les Hamilton
Caisteal na Coille viewed from the approach path.
Image credit: Les Hamilton
Caisteal na Coille broch on its level grassy platform.
Image credit: Les Hamilton
