‘Looming stone towers like Maya temples’: a hike through Snowdonia’s slate country

A new trail in the national park traces the legacy of Welsh industry, while offering some of the UK’s finest riverside and mountain walksThe vital moment comes a couple of hours into the walk. I drop down from a tussocky hill towards the village of Y Fron. There’s an abandoned slate-quarrying machine and a grassy track that suddenly emerges on…