What was the name of the castle lying on Tremadog Bay, within the Snowdonia National Park, that was built by Edward I in 1283?
Harlech Harlech Harlech () is a seaside resort and community in Gwynedd within the historic boundaries of Merionethshire in north-west Wales. It lies on Tremadog Bay in the centre of Gwynedd, within the Snowdonia National Park. Of a population of 1,447, 51 per cent habitually speak the Welsh language. Its best-known landmark, Harlech Castle, was begun in 1283 by Edward I of England, captured by Owain Glyndŵr, and later served as a stronghold for Henry Tudor. It was built next to the sea, but coastline changes mean it now lies on a cliff face, about half a mile (800 m) inland.
Tremadog high ground of Snowdonia and on the edge of the modern Snowdonia National Park. Tremadog was built on flat land reclaimed from Traeth Mawr, the estuary of the Afon Glaslyn, and to enhance its appearance Madocks placed the Market Square, the centre of his project, just in front of a great crag of rock, the former edge of the estuary. It towers some over the Town Hall, and the coaching inn, giving a theatrical effect to the area. He hoped to attract more buildings that fitted his overall plan, but this plan failed and he eventually funded most of them