The blue hills in the distance made me think of Dartmoor.
The river was a long pool there, wider, pointing toward blue hills in the background.
Aline's eyes were fixed on the blue hills across the valley, but she did not see them.
Looking up the valley, to the right, one saw a line of blue, far-off hills.
Above the blue hills a green star rose.
No longer they sailed past steep cliffs with blue hills marching behind them.
The place was like some palace he might have seen in a children's book, all green grass and blue hills, white walls of an older society.
The clouds over the land now rose like mountains and the coast was only a long green line with the gray blue hills behind it.
She sat staring out across the sunlit valley to the blue hills.
Beyond it one could see for many miles to blue hills in the distance.