Nestled in the foothills of Snowdonia, the Centre for Alternative Technology (CAT) is a world-renowned eco centre that researches and supports greener ways of living.
The slate in this mine, which is found in veins between layers of ancient Pre-Cambrian rocks, is among the oldest in the world. Many industrial towns in Britain and Ireland have the original roofs made of Llanfair slate.
Established in 1859 Trefriw Woollen Mills manufacture traditional Welsh bedspreads, travel rugs and tweeds. Their machinery is over 50 years old and they generate their own electricity.