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
British Isles naming dispute some consider "The British Isles" as a political term rather than a geographical name for the archipelago. The term "British" had also never applied to Ireland until at least the late 16th century and onwards. This period coincided with the Tudor conquest of Ireland, the subsequent Cromwellian activities in Ireland, the Williamite accession in Britain and the Williamite War in Ireland—all of which resulted in severe impact on the Irish people, landowners and native aristocracy. From that perspective, the term "British Isles" is not a neutral geographical term but an unavoidably political one. Use of the name "British Isles" is