Ogof Ffynnon Ddu Hydrology map

This interactive map shows the hydrology of the Ogof Ffynnon Ddu catchment area. Caves and sinks are shown on the map with a blue line indicating where the water is proven to flow into the cave. Clicking on the markers or links container on the right will show reference to dye tests that were carried out to establish these links. Navigate the map by zooming and scrolling.

South Wales Caves

Ogof Ffynnon Ddu Hydrology Map

Major caves on this map