Welcome to your local ALDI supermarket in Porthmadog - Which? Cheapest Supermarket three years running! We're on Fford Penamser Road and are open 7 days a week, including public holidays. Our multi-award winning range delivers everything you need from fresh British produce, to delectable wines and spirits, gift worthy bouquets, nappies and not to mention our famous Specialbuys. Shop in store or through Click & Collect at selected stores.