It was a good choice! The valley was beautiful. And the light turned from summerish yellow to sunset red over the impressive spoil heaps of Dinorwic. It's great to live so close to such beautiful places you can just visit them after dinner, and be back at 21:15!
View at the start of the walk
In full screen view you can see the railway going up Snowdon
The view on the way back, with Llyn Dwythwch