About four in the Morning we began to mount again, and being come another Mile up, one of our Company failed and was able to proceed no further: Here began the _black Rocks_; the rest of us pursued our Journey till we came to the _Sugar Loaf_, where we began to travel again in a white Sand, being fitted with Shoes, whose single Soles are made a finger broader than the upper Leathers, to encounter this difficult Passage: Having ascended as far the _black Rocks_, which lay all flat like a plain floor, we climbed within a Mile of the very Top of the _Pico_, and at last we attained the _Summit_, where we found no such Smoak as appeared a little below, but a continual Perspiration of a hot and sulphureous Vapour that made our faces extremely sore; all this way we found no considerable Alteration of the Air, and very little Wind, but on the Top it was so impetuous, that we had much ado to stand against it whilst we drank K. _Charles_ II. Health, and fired each of us a Gun. Here also we took our Dinner, but found that our strong Waters had lost their Virtue, and were almost insipid, while our Wine was more brisk and spirituous than before: The Top on which we stood being not above a Yard broad, is the Brink of a Pit called the _Caldera_, which we judged to be a Musket Shot over, and near fourscore Yards deep, in form of a Cone, hollow within like a Kettle, and covered over with small loose Stones mixed with Sulphur and Sand, from among which issued divers Spiracles of Smoak and Heat, which being stirred with any Thing puffs and makes a Noise, and is so offensive, that we were even suffocated with the sudden rising of Vapors, upon removing one of these Stones, which were so hot as not easily to be handled; we descended not above sour or five Yards into the _Caldera_ or Caldron, because of the Slipperiness under foot, and the Difficulty; but some have adventured to the Bottom: Other Matters observable we discovered none, besides a clear sort of _Sulphur_ which lay like Salt upon the Stones: from this renowned _Pico_ we could see the _Grand Canaries_ fourteen Leagues, distant, _Palma_ eighteen, and _Gomera_ seven, which Interval of Sea seemed not much wider than the _Thames_ about _London_; we discerned also the _Herro_, being distant about twenty Leagues, and so to the utmost Limits of the Sea much farther: As soon as the Sun appeared, the Shadow of the _Pico_ seemed to cover not only the whole Island and the _Grand Canaries_, but the Sea to the very Horizon, where the Top of the _Sugar-Loaf_ or _Pico_ visibly appeared to turn up, and cast its Shade into the Air itself, at which we were much surprized.