Lake Martignano

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Lake Martignano
Lago di Martignano.JPG
Location Province of Rome, Lazio
Coordinates 42°6′46″N 12°18′54″E / 42.11278°N 12.31500°E / 42.11278; 12.31500Coordinates: 42°6′46″N 12°18′54″E / 42.11278°N 12.31500°E / 42.11278; 12.31500
Basin countries Italy
Max. length 2.015 km (1.252 mi)
Max. width 1.545 km (0.960 mi)
Surface area 2.44 km2 (0.94 sq mi)
Max. depth 60 m (200 ft)
Shore length1 6 km (3.7 mi)
Surface elevation 305 m (1,001 ft)
1 Shore length is not a well-defined measure.

Lake Martignano (Italian: Lago di Martignano), is a small lake in Lazio, Italy 24 kilometres (15 mi) north-north-west of Rome, in an extinct crater or maar.[1]


In ancient times Lake Martignano was part of southern Etruria and called Alsietinus Lacus. Augustus drew from it the Aqua Alsietina; the water was hardly fit to drink, and was mainly intended to supply his naumachia (lake made for a sham naval battle) at Rome, near San Francesco a Ripa, on the right bank of the Tiber, where some traces of the aqueduct were perhaps found in 1720.[1] The course of the aqueduct, which was mainly subterranean, is practically unknown: Frontinus tells us that it received a branch from the lake of Bracciano near Careiae (Galera): and an inscription relating to it was found in this district in 1887.[2]

There is a lawn beach, lake-side cafes and restaurants, and walking tracks.

Nearby towns[edit]


  1. ^ a b Chisholm 1911, p. 757.
  2. ^ Chisholm 1911, p. 757 cites F. Barnabei, Notizie degli Scavi, 1887, 181.



 This article incorporates text from a publication now in the public domainChisholm, Hugh, ed. (1911). "Alsietinus Lacus". Encyclopædia Britannica. 1 (11th ed.). Cambridge University Press. p. 757. 

Further reading[edit]