Start Ardgay, back roads past falls of Shin, then left at Ledmore Junction, right at Drumrunie Corner, right to Lochinver, Left to Drumbeg, right past Quinag on A894 , left on A837 left at ledmore junction and retrace to Ardgay.
Carbisdale Castle.
The ideal location for taking on the Drumbeg Rollercoaster. You could do the ride as a 200k Audax or take a week over what is a very scenic ride with plenty of hills to climb. Click on picture for Carbisdale website.