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
Terminology of the British Isles excludes the Republic of Ireland. In October 2006, "The Times" quoted a spokesman for the Irish Embassy in London as saying that they would discourage its use. During a stop-over visit to the Republic of Ireland in 1989, the leader of the Soviet Union, Mikhail Gorbachev, indicated that he assumed Ireland's head of state was Queen Elizabeth II, given that she was the British Queen and his officials said that Ireland was a part of the British Isles. In Northern Ireland, some nationalists reject the term and instead use "these islands", "these isles" or "Britain and Ireland" as an alternative.