National Astronomical Observatory

National Astronomical Observatory or Cerro de la Cúpula. The summit stands at an elevation of 2.806m (9,206ft) within the Sierra de San Pedro Mártir National Park. The road to the summit is asphalted. It’s pretty steep. At the summit there’s a optical telescope built in
1971 called the National Astronomical Observatory. The observatory is the second most important in Latin America. It is open for tours after 10 am and until 1:00 pm on weekdays, at the end of the paved road. It’s now known internationally as one of the best sites on Earth from which to view the heavenly bodies thanks to extremely low light pollution and relative humidity, low atmospheric pollution, generally clear skies and relatively little radio interference. Avalanches, heavy snowfalls and landslides can occur anytime, being extremely dangerous due to frequent patches of ice. During the winter in the extreme high elevations large amount of snow accumulates while in the summer the lower elevations exceed 100 °F (38 °C).
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