Sorry for the hijack – where is the best place to access Dimmingsdale? Heard some good things about it in the past and reading this thread reminded me to give it a try.
Answering the original question, I’d also say give Macc forest a try – Start from Quarnford and then 3 shires head, Wildboarclough, Macc Forest, Cat and Fiddle and back to 3 shires. Nice route with a lot of the alt gained on road.