Blue Grotto Facts
- First of all, the stunning site known as the Blue Grotto constitutes an incredibly picturesque naturally occurring sea cave. As if that wasn’t enough charm, the cave also formed in an equally stunning location. That’s because it formed on the island of Capri, in southern Italy, in Europe.
- The magnificent site also remains famous for the unique, naturally occurring blue lighting within the cave. That occurs due to a highly specific combination of factors. That’s due to the fact that the grotto remains lit by a unique combination of lighting from two separate sources.
- This amazing site also possesses quite impressive physical measurements, as well. In fact, it extends a distance of roughly 177 ft (54 m) into the cliff. In addition, the depth of the cavern measures about 492 ft (150 m). Further, the bottom of the cavern has a sandy covering.
- The gorgeous cavern also has yet another defining characteristic. That’s because the cave has a rather small entrance. In point of fact, this measures around 5 ft (1.5 m) in width, at the waterline. Yet despite this, the Blue Grotto forms one of the leading tourist attractions on the island.
Blue Grotto Lighting Effects
The Blue Grotto has an impressive illumination consisting of an ethereal brilliant blue lighting. This natural, but startling effect, occurs due to dual sources. The first comes from the small entrance at the waterline. However, the primary source of lighting actually consists of the remarkable second source.
Quite amazingly, this source is constituted by a second hole. Further, this remains located directly below the first. Furthermore, the two are separated by a bar of rock measuring an impressive 6 ft (2 m) thick. But, the large second hole measures nearly 10 times the size of the upper entrance.
Thus, here, a truly rare occurrence takes place. That’s because, in this instance, the cave actually receives its primary lighting from below the waterline. In addition, even more wonders await the visitor. That’s true because yet another quirk of geology also exists in the cavern involving the lighting effects.
In point of fact, due to the result of positioning, it remains impossible for a visitor to discern either of three separate things. These consist of the shape of the underwater hole, the outline of the stone bar, or even the nature of the lighting source. This results in an other-worldly experience for the visitor to the Blue Grotto.
Blue Grotto Historical Relevance
First of all, the Blue Grotto quickly became a popular tourist spot in modern times. This primarily occurred following the 1830’s. However, evidence indicates that humans knew of the site’s existence as far back as the Roman Age.
That’s because, before their removal, sculptures from the pantheon of Roman deities originally existed in the grotto. Experts also believe that more such statues remain at the bottom of the cave, waiting to be discovered.
Even more history occurred here. The Roman Emperor Tiberius also, according to legend, frequented the site after he retired to Capri. Ongoing research has also uncovered the remains of an ancient man-made landing dating to that era.
Finally, local inhabitants knew of the grotto but largely avoided it after the end of the Roman Era. In ancient times, this was primarily due to the belief that the Blue Grotto was inhabited by witches and various supernatural creatures.