||Irish Category Winners|
Robert Mulraney - Co. Leitrim.
Pollnatagha Cave, East Cuilcagh, Fermanagh. Taken 15/08/2015.
A caver descends Pollnatagha Cave, a small pothole which opens into one of the biggest limestone cave chambers on the island of Ireland. Specially lit by use of a large antique flashbulb.
Pawel Zygmunt, Co. Dublin.
Dun Briste sea stack Downpatrick Head County Mayo. Dun Briste, an impressive sea stack, estimated to be approximately 50 metres in height, stands 80 metres off Downpatrick Head, in the townland of Knockaun, east of Ballycastle, Co. Mayo. The cliffs in the area, including the stack, were formed in the Lower Carboniferous period, a geological term applied to a time c. 350 million years ago, when the sea temperatures around Ireland were much higher than today. The photo is taken from the cave at the bottom of Downpatrick Cliff.
||Overseas Category Winner|
Ciara Fleming, Dublin 20.
Taken at Lake Mývatn, Skútustaðir, Northern Iceland, March 2015.Image of a pseudocrater in the partially-frozen Lake Mývatn. Lava moved across a wet (water/ice) landscape about 2300 years ago. Steam was generated forming local explosions in the lava, generating pseudocraters, seen across Lake Mývatn.