Churches were often dedicated to St. Michael when they were built over pagan sanctuaries, because St. Michael could fight the old heathen devil. Another example would be in Brent Knoll, next to the iron age hill fort:
That is undoubtedly the case for both St. Michael's Mount (Cornwall) and Mont Saint Michel (Normandy) in the list of 7. They are both perfect defensive sites, on islands close to the shore, but accessible by causeways at low tide, and hence certainly occupied from prehistoric times.
https://en.wikipedia.org/wiki/Church_of_St_Michael_and_All_A...
https://en.wikipedia.org/wiki/Burrow_Mump
https://en.wikipedia.org/wiki/Glastonbury_Tor
Churches were often dedicated to St. Michael when they were built over pagan sanctuaries, because St. Michael could fight the old heathen devil. Another example would be in Brent Knoll, next to the iron age hill fort:
https://en.wikipedia.org/wiki/St_Michael%27s_Church,_Brent_K...
https://en.wikipedia.org/wiki/Brent_Knoll_Camp
That is undoubtedly the case for both St. Michael's Mount (Cornwall) and Mont Saint Michel (Normandy) in the list of 7. They are both perfect defensive sites, on islands close to the shore, but accessible by causeways at low tide, and hence certainly occupied from prehistoric times.
https://en.wikipedia.org/wiki/St_Michael%27s_Mount
https://en.wikipedia.org/wiki/Mont-Saint-Michel