Lake Agnano

Lago di Agnano or Lake Agnano was a circular lake, some 6½ km in circumference, which occupied the crater of the extinct volcano of Agnano 8 km west of Naples, Italy. It was apparently not formed until the Middle Ages, as it is not mentioned by ancient writers; it was drained in 1870. [1]

On the south bank are the Stufe di San Germano, natural sulphureous vapour baths, and close by is the Grotta del Cane. From the floor of this cave warm carbonic acid gas constantly rises to a height of 18 inches (46 cm): the fumes render a dog insensible in a few seconds. It is mentioned by Pliny the Elder.[2] Remains of an extensive Roman building and some statues have been discovered close by.[1]

References

  1. 1 2 Chisholm 1911, p. 377.
  2. ↑ Chisholm 1911, p. 377 cites Naturalis Historia, ii. 93
Attribution

 This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Agnano, Lago Di". Encyclopædia Britannica. 1 (11th ed.). Cambridge University Press. 

Coordinates: 40°50′40″N 14°8′59″E / 40.84444°N 14.14972°E / 40.84444; 14.14972

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