This interactive survey of Dan Yr Ogof shows the cave in relation to the hydrogeology of its 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.
Dan Yr Ogof Hydrogeology
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