Lists of mountains and hills in the British Isles in England, 366 in Wales and 11 in the Channel Islands. A Simm is a mountain the British Isles that is over high and has a prominence of at least . The word comes from Six-hundred Metre Mountain. There are currently 2,754 recorded Simms in the British Isles, including 2,188 Scottish Simms, 192 English Simms, 149 Welsh Simms, 1 Isle of Man Simm, and 224 Irish Simms. By definition, all Simms are also TuMPs (see below) and most, if not all, are mountains, depending on whether 600 metres or 2,000 feet (610 m) (e.g. a ), is used as the
Mining archaeology in the British Isles techniques with visible remains are the opencasts at the surface and group of shafts and caverns underground. The underground complex system was accessible by many different openings which simultaneously used as a ventilation system for the tunnels. The tools in the site constitute mainly by pointed bone tools and stonehammers. Other stone tools revealed at the locations were stone mortars and pestles, which indicate another stage in the ores exploitation. Moreover, a unique find for British Isles were the giant hammers. Evidence for early quarrying was also discovered in Alderley Edge though industrial operations in the 19th century destroyed a