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Cerro Tololo Inter-American Observatory

Review Highlights
Amazing views of the Elqui Valley...

... and the night skies if you're lucky enough to be up there after dark. Seeing the Milky Way from... read more

Reviewed 26 June 2018
Nicolle Z
Holt, Michigan
excellent tour, very interesting

We went here as part of a shore excursion from a cruise ship, so we were able to go on a day when... read more

Reviewed 23 April 2018
Boston, Massachusetts
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  • Excellent76%
  • Very good20%
  • Average3%
  • Poor1%
  • Terrible0%
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“cruise ship”(2 reviews)
“milky way”(3 reviews)
Colina El Pino s/n | Casilla 603, La Serena, Chile
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1 - 10 of 16 reviews
Reviewed 26 June 2018

... and the night skies if you're lucky enough to be up there after dark. Seeing the Milky Way from horizon to horizon was a dream come true.

2  Thank Nicolle Z
Reviewed 23 April 2018

We went here as part of a shore excursion from a cruise ship, so we were able to go on a day when it is otherwise not open to the public. We had a tour with a very knowledgeable guide with very good English. Very,...More

2  Thank 234worldtraveler567
Reviewed 11 August 2017

We went on a tour with fellow astronomers, had an excellent tour. I guess we got to go where only astronomers are allowed. The road in is rather long and bumpy but well worth the trip if you are into this sort of thing

2  Thank MarcelandLucy
Reviewed 24 November 2016

If you are a scientist, be awarer that most of the visit is simply listening to basic info about astronomy, so you might not learn a lot. It is still nice to see the installations.

3  Thank Mathilde L
Reviewed 15 June 2016

If you like astronomy and want to see something impressive in technology and science, this is the place to go. It's a drive up the mountain on a dirt road with beautiful mountainous vistas. When you get there you can look back down on the...More

4  Thank wbogardus
Reviewed 11 February 2016

You have to reserve a Saturday in January well in advance, You must pick up your "authorization" (free ticket) before noon Friday, and then take a 2 hour drive from la Serena to a 7000 foot mountain. Challenging drive, road occasionally eroded, but well marked....More

2  Thank Ann2009CT
Reviewed 22 January 2016

The Night time Skies come close enough to see the rings of Saturn when you visit the observatory. Our knowledgeable guides took lots of time with us adjusting the telescopes so that everyone was able to see the heavenly clusters and stars that we didn't...More

3  Thank Kelly T
Reviewed 19 January 2016

The address mentioned here is the downtown office address and they don't take visitors. The telescopes are about and hour's drive away and only allow the public up on Saturdays (but check that I got the day right). It's quite popular but the road is...More

1  Thank TucsonTraveller
Reviewed 4 June 2015

A fascinating tour. You meet at the gatehouse in the morning, then drive as a caravan to the summit for about 2 hours of tours and explanations, then drive back down for a total of about 3.5 hours. First they took us to an older,...More

3  Thank JoppaFlats
Reviewed 6 October 2014

Northern Chile is home to most of the world's best observatories. This area provides the perfect conditions on earth to view the universes, the galaxies, including the stars and planets. We had to see Tololo since it is run by the USA and we were...More

6  Thank Ken W
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