Wales
Porthmadog slate-port harbour
Tidal foreshore Documented sitePermission required
What you could find
Reported finds from this shoreline.
Old bottles
Wreck timberAlso reported: ship smalls.
Photos via Wikimedia Commons: Sheila Sund (CC BY 2.0), NPS photo (Public domain).
Why this spot
Victorian bottle era, historically mapped
Purpose-built slate port from 1811 shipping Ffestiniog slate worldwide, with ballast island and quays shedding ship-trade refuse.
Keep exploring nearby
More spots in this area.