La Portada
La Portada or the Gateway in English is a
natural arch that lies off the coast of Chile, about 11 miles
north of Antofagasta, and one of the fifteen natural monuments
that have been included in the protected areas of Chile. There
seems to be a smaller version of similar appearance in the spa
town of Pucatrihue, Osorno province. The beautiful La Portada
National Monument spans an area of more than 77 acres that shows
geomorphological features so that the remaining fossils look as
this natural phenomenon appears. The arch is 140 feet high, 75
feet wide and 230 feet long, with a base of black andesite stone
that is encompassed by marine sedimentary rocks, then a strata
of yellowing sandstone and layers of fossils of shells that date
as far back as 2 million years ago. The arch is close to coastal
cliffs that had also been formed by the marine erosion, going up
some 160 feet in the sky. In 1990, it would be declared a
natural monument and was closed in 2003 after a landslide on
parts of its cliffs that would require some reconstruction of
the path to the beach. The arch has become a favorite spot for
birds to sit and watch for any fishes they might get, and
include the guano birds like the Peruvian booby, Guanay
cormorants, Belcher's gulls, Inca terns, pelicans, grey gulls
and kelp gulls. The South American fur seal has been spotted on
occasion and would be a great sight to see if you should visit;
and often there are dolphin seen swimming in the surf.
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