Bing .8 Bing OS6InchMap
Maps:
Opacity:

Zoom in and out of the map with your mouse or the map buttons. Move around the map by dragging with your mouse. The slider chages the opacity of the LiDAR data.

To rotate the map hold down the SHIFT key whilst dragging with you mouse.

You can choose between a satellite view of the area and the Ordnance Survey 6" map surveyed in 1872. First published in 1876, the OS map marked many of the sites in Caithness that had captured antiquarian interest.