Rambling on the Rocks: Around Northern Ireland in 20 Walks...by Kirstin Lemon on August 23, 2017 #geology #GSNI70 Cave Hill geotourism Giant's Causeway GSNI Marble Arch Caves Global Geopark Mourne Mountains Northern Ireland outdoor recreation Rambling on the Rocks Tourism NI UNESCO walking +
Extreme field testers wanted; wimps need not apply...by Kirstin Lemon on December 15, 2015 #GSNI Geological Survey of Northern Ireland hill walking Mountaineering Ireland Mourne Mountains Rocks to Ridges tuffisite University of Ulster walking +
