He was thinking about both! The track is 2 parts, the first is Mount St. Michel, second is St. Michael's Mount. I believe it was written in France, as he wrote the following on his site a few moths ago: "Been asked quite a few times about the bell at the beginning of Mt Saint Michel. Yes it is from the bell in the smaller chapel on the island, I was staying in a house very close to it with a lovely french girl, I sampled it while I was having my breakfast on a very lush sunny morning. Track was about half written by that point and fitted in just right at the beginning. Just recorded it with the internal mic on the laptop :)"
I highly recommend the Cornish Mont. At low tide the beach seems almost infinite and the island floats like a mirage. An amazing hike. Wear rubber boots.