Archaeological Atlas of the 2 Seas

Welcome to the A2S Geoportal: A gateway to our underwater cultural heritage.

The A2S Geoportal has been developed during theArchaeological Atlas of the 2 Seas project. The Geoportal aggregates information about archaeological sites that lie beneath the Channel and the North Seas, as well as sites situated on the foreshore, dating from prehistoric to the present time.

You can explore the A2S Geoportal in a number of different ways:

Dots on the map represent sites of interest. Clicking on the dots on the map will reveal information on the relevant site.
Click on the free text search box and search sites by name, time period or keywords.
Browse aerial photographs and ancient map layers by clicking on the “+” tab to the right of the map. This tab contains aerial photographs and ancient map layers.

To access this information box again click on the information icon.

Enjoy your exploration of our maritime heritage!