We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.
We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Arecibo Observatory

Certificate of Excellence
Sponsored by:
Map
Satellite
Map updates are paused. Zoom in to see updated info.
Reset zoom
Updating Map...
Sponsored by:
Get directions
Address: HC-3 CAJA 53995, Arecibo 00612, Puerto Rico
Phone Number: +1 787-878-2612
Website
Today
9:00 am - 4:00 pm
Closed now
See all hours
Hours:
Sun - Sat 9:00 am - 4:00 pm
Recommended length of visit: 1-2 hours
Fee: Yes
Description:

Explore the wonders of the universe at the world's largest radio telescope...

Explore the wonders of the universe at the world's largest radio telescope located in Arecibo, Puerto Rico. Here, scientists from throughout the world use the 305 meter dish to gather radio signals from regions of star formation, planets, distant galaxies and the atmosphere.

Visit the Angel Ramos Foundation Science and Visitor Center which includes interactive exhibits. Enjoy the amazing view from the observation deck and don't forget the auditorium and souvenir shop.

read more
Book In Advance
More Info
$160*
and up
San Juan Day Trip to Rio Camuy Caves and Arecibo Observatory
More Info
$119*
and up
Rio Camuy Cave Park and Arecibo Observatory from San Juan

TripAdvisor Reviewer Highlights

Read all 691 reviews
Visitor rating
  • 265
    Excellent
  • 224
    Very good
  • 72
    Average
  • 19
    Poor
  • 18
    Terrible
Nice Experience

I was a little disappointed that you can't just go and see the telescope on its own. You have to buy tickets and go through the visitor center, which I thought was a bit boring... read more

4 of 5 starsReviewed 1 week ago
stxoneway
,
Manhattan, Kansas
Add Photo Write a Review

691 Reviews from our TripAdvisor Community

Traveler rating
Traveler type
Time of year
Language
  • More
Showing 598: English reviews
Level Contributor
7 reviews
2 of 5 stars Reviewed yesterday NEW via mobile

My family and I (7 people in total) went there because my brother in law suggested us to come with him. All I can tell you is, EXPENSIVE EXPENSIVE EXPENSIVE!! we arrive there literally almost 1 hour before closing and they still charged us Full Price Admission ($71 Total for 7). I would think that they would give us a... More 

Helpful?
Thank dspten
Monee, Illinois
Level Contributor
27 reviews
14 attraction reviews
common_n_attraction_reviews_1bd8 1 helpful vote
5 of 5 stars Reviewed 2 days ago NEW

Very interesting place out in the middle of nowhere. Has a small museum there with different items including moon rocks from one of the Lunar landings. Can't believe how big this dish is. Learned that it has been used in a few movies over the years

Helpful?
Thank Frani34
Barceloneta, Puerto Rico
Level Contributor
3 reviews
common_n_attraction_reviews_1bd8 1 helpful vote
5 of 5 stars Reviewed 3 days ago NEW

The Arecibo Observatory is home to the world's largest single-dish radio telescope. You only have to take one look at the absolutely massive dish to appreciate how special this place is. Highly recommended.

Helpful?
1 Thank ntorrespr
Level Contributor
13 reviews
6 attraction reviews
3 of 5 stars Reviewed 3 days ago NEW

Went for a special activity to watch stars with telescopes. Not usual on this site. Be ready to have a long walk from parking to the observatory. A small souvenir store is available as well an area to eat.

Helpful?
Thank Yelixa C
Manhattan, Kansas
Level Contributor
63 reviews
25 attraction reviews
common_n_attraction_reviews_1bd8 30 helpful votes
4 of 5 stars Reviewed 1 week ago

I was a little disappointed that you can't just go and see the telescope on its own. You have to buy tickets and go through the visitor center, which I thought was a bit boring. It was nice to watch the short movie to get an idea what the observatory is all about, though. Once you get to go outside,... More 

Helpful?
1 Thank stxoneway
Pittsburgh, Pennsylvania
Level Contributor
8 reviews
3 attraction reviews
common_n_attraction_reviews_1bd8 1 helpful vote
4 of 5 stars Reviewed 1 week ago

I traveled to Arecibo in 2006 with for a college class. So I had a lot of information on the place before arriving since my professor use to live in Puerto Rico. It is a long a trip the Observatory and I started to get car sick from the winding roads. There is also a very long and steep hike... More 

Helpful?
Thank NCA84
Washington DC, District of Columbia
Level Contributor
14 reviews
6 attraction reviews
common_n_attraction_reviews_1bd8 6 helpful votes
3 of 5 stars Reviewed 2 weeks ago

As an engineer I had been looking forward to visiting this facility. I was disappointed by how superficial the tour was, especially given the remote location of the site, and the steep ascent required to get to the visitor center (on foot). The tour starts with a 15 minute movie on the history and purpose of the site. You then... More 

Helpful?
1 Thank Arnel E
Bottineau, North Dakota
Level Contributor
7 reviews
3 attraction reviews
common_n_attraction_reviews_1bd8 2 helpful votes
5 of 5 stars Reviewed 2 weeks ago

Aside from the narrow mountain roads that you have to take to get there (GPS was helpful to have as some of the various roads look just like residential streets), everything about our tour of the observatory was so wonderful. They are doing REAL science there. Helping to not only get a better understanding of our universe, but also keeping... More 

Helpful?
2 Thank SSLND
Level Contributor
47 reviews
26 attraction reviews
common_n_attraction_reviews_1bd8 14 helpful votes
5 of 5 stars Reviewed 2 weeks ago via mobile

This is a great spot if you're interested in astronomy or learning in general. Takes about 2 hours total to visit and includes a video introduction, tour of the telescope and access to two floors of exhibits. There's a cute gift shop and food available as well, like empanadas. The site is always lacking in funding but encourages a lot... More 

Helpful?
Thank Jennifer R
San Juan, Puerto Rico
Level Contributor
25 reviews
7 attraction reviews
common_n_attraction_reviews_1bd8 5 helpful votes
5 of 5 stars Reviewed 2 weeks ago

I loved this place! It is so interesting! There's a movie, there's an interactive museum, there's the observatory...They even tell the story of how they filmed a James Bond scene there. It's simply a great place for all the family.

Helpful?
1 Thank cbgonzalez

Travelers who viewed Arecibo Observatory also viewed

Arecibo, Puerto Rico
 

Been to Arecibo Observatory? Share your experiences!

Write a Review Add Photos & Videos

Is This Your TripAdvisor Listing?

Own or manage this property? Claim your listing for free to respond to reviews, update your profile and much more.

Claim Your Listing

Questions & Answers

Here's what previous visitors have asked, with answers from representatives of Arecibo Observatory and other visitors
17 questions
Ask a question
over a year ago
Rhode Island
Savannah, Georgia
Massachusetts
Taylors
3 months ago

See all questions (17)

Questions? Get answers from Arecibo Observatory staff and past visitors.
Posting guidelines
Typical questions asked:
  • Do I have to buy a ticket for my infant?
  • How do I get there using public transportation?
  • Is there a restaurant or café onsite?