PE 17 Gran Admirante Grau San Lorenzo Island latitude 12° 3' 47.7" S longitude 77° 14' 47.7" W This is the highest traditional lighthouse in South America, having a range of 37 km. (Peru has a small light on Isla San Gallan, near Pisco, with a focal plane of 1263 ft). Located atop a very high bluff at the northwestern end of Isla San Lorenzo, the large island that shelters Callao harbor. ARLHS # PER-006
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