Badger Pot and Pigeon Pot are two cave

Cave

A cave or cavern is a natural underground space large enough for a human to enter. The term applies to natural cavities some part of which is in total darkness. The word cave also includes smaller spaces like rock shelters, sea caves, and grottos.Speleology is the science of exploration and study...

s found in the Karst topography

Karst topography

Karst topography is a geologic formation shaped by the dissolution of a layer or layers of soluble bedrock, usually carbonate rock such as limestone or dolomite, but has also been documented for weathering resistant rocks like quartzite given the right conditions.Due to subterranean drainage, there...

 on the eastern slopes of Cuilcagh

Cuilcagh

Cuilcagh, historically Slieve Cuilcagh , is the highest mountain in the Breifne area and the 165th highest on the island of Ireland . The summit lies on the border between County Fermanagh and County Cavan , and is the highest point in both counties...

 Mountain, south of Florencecourt

Florencecourt

Florencecourt is a small village in County Fermanagh, Northern Ireland. In the 2001 Census it had a population of 135 people. It lies within the Fermanagh District Council area. Historically the area was called Mullanashangan ....

 Forest Park, County Fermanagh

County Fermanagh

Fermanagh District Council is the only one of the 26 district councils in Northern Ireland that contains all of the county it is named after. The district council also contains a small section of County Tyrone in the Dromore and Kilskeery road areas....

, Northern Ireland

Northern Ireland

Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

.

They are sourced from small rivers which, at each pot, sink below ground. Dye tracing has linked these sinks to the underground river of the Prod's Pot–Cascades cave system. This river in turn rises

Spring (hydrosphere)

A spring—also known as a rising or resurgence—is a component of the hydrosphere. Specifically, it is any natural situation where water flows to the surface of the earth from underground...

 at Cladagh Glen and feeds into the Cladagh River, before ultimately discharging into Upper Lough Erne.

The dye tracing has also proved a further underground link to Shannon Pot

Shannon Pot

Shannon Pot is a small lake in the Karst topography found on the slopes of Cuilcagh Mountain in County Cavan, Ireland. An aquifer-fed naturally fluctuating pool, it is the traditional source of the River Shannon.The pool itself is approximately in diameter. It was first explored by divers in 1971...

 in County Cavan

County Cavan

County Cavan is a county in Ireland. It is part of the Border Region and is also located in the province of Ulster. It is named after the town of Cavan. Cavan County Council is the local authority for the county...

, suggesting that the latter may once have had a substantially larger catchment area.