Tours/Buenos Aires/Explore El Zanjon de Granados, Hidden Tunnels in Buenos Aires.
Viator

Explore El Zanjon de Granados, Hidden Tunnels in Buenos Aires.

4.9(10)Buenos Aires1 hour
VIATOR4.8(4)TRIPADVISOR5.0(6)

Description

Immerse yourself in the history of Buenos Aires with a guided tour of El Zanjón de Granados, an underground maze of tunnels and vaults that remained sealed for more than a century. Discover archaeological remains, cisterns and cisterns that chronicle colonial life and the transformations of this iconic city. This unique tour reveals the best-kept secrets of San Telmo, where echoes of the past echo through the brick walls. With expert guides, this captivating experience connects travelers to Buenos Aires’ rich history, making every step an unforgettable discovery. - Tour sealed tunnels and vaults for over a hundred years - Discover archaeological remains that tell of colonial life - Explore San Telmo's past with expert guides in Spanish and English - A unique experience that reveals the hidden secrets of Buenos Aires

Tour Options

Experience in English Language
  • Duration: 1 hour
Tour in Spanish (Resident)
  • Duration: 1 hour
Spanish Tour for Foreigners
  • Duration: 1 hour Tour for Foreigners: This option is for passengers other than Argentine residents

Itinerary

Admission included

Visiting El Zanjon de Granados will take you on a surprising trip to Buenos Aires’ past. Behind a sober colonial facade, a network of tunnels, cisterns and passageways dating from the 17th and 18th centuries opens. During the tour, you walk through underground brick galleries, illuminated to highlight their original architecture, while observing archaeological pieces rescued in the excavations: ceramics, utensils and remains of ancient walls. Guides enrich the experience with stories about colonial life, 19th century convents and the restoration that rescued this heritage. The visit combines history, archaeology and architecture, allowing you to walk on the hidden tracks of the city and live a unique experience in one of the most fascinating sites of San Telmo.

Highlights

Entrance to the Granados Trench
Guided tour in Spanish or English
Access to the tunnels.

What's included

Included
Entrance to the Granados Trench
Guided tour in Spanish or English
Access to the tunnels.
Not included
Lunch
Private transportation
Gratuities

Traveller Ratings

4.9
10 reviews
5
9
4
1
3
0
2
0
1
0

Important Information

  • Public transportation options are available nearby
  • Suitable for all physical fitness levels

Reviews(10)

W
WillyG656
June 9, 2026
Great insight into the life of the early immigrants

An unusual site which gives an incredibly good insight into the lives of early immigrants.

Operator response

Thank you very much for sharing your experience! We are delighted to hear that you enjoyed your visit and were able to appreciate such a special place. Learning about the history and lives of the early immigrants is an enriching experience, and we are pleased that the tour provided you with such valuable insight. We hope to have the pleasure of welcoming you back for another one of our experiences. See you soon!

C
Companion13135442772
May 24, 2026
Educational

An unforgettable and very educational experience.

Operator response

¡Muchas gracias por sus palabras! Nos alegra saber que vivió una experiencia inolvidable y educativa. Ese es precisamente nuestro objetivo: compartir la pasión por el fútbol y su historia de una manera entretenida y enriquecedora. Esperamos tener el gusto de recibirlo nuevamente en una próxima oportunidad. ¡Hasta pronto!

R
Renan_P
March 16, 2026
Incredible tour....

Incredible tour. Augustina gave a lesson on the history of Buenos Aires and showed us this gem: the tunnels and discoveries in the area.

Operator response

Thank you very much for your comment! We are very happy to know that you enjoyed the tour and that the experience was so enriching. Agustina really has a unique way of conveying the history of Buenos Aires, and we love that you were able to appreciate it. We totally agree: the tunnels and discoveries in the area are true gems that surprise everyone who visits them. We hope to see you again to continue exploring more fascinating corners of the city!

D
Debbie12018
March 10, 2026
Not One to Miss

MARVELOUS!! Don’t miss it!! At the end, we met the owner and he was delightful.

Operator response

Thank you so much for your wonderful review! We’re thrilled to hear you had such a marvelous experience. It’s also great to know you enjoyed meeting the owner — he’ll be very happy to hear your kind words. We truly appreciate your recommendation and hope to welcome you again soon!

K
kathleenk392
March 9, 2026
So glad we chose this tour!

Very interesting tour. The guide was very well informed about the site and the history of the people who had lived there. Highly recommend this tour!

Operator response

Thank you for your comment. We're glad to hear you enjoyed the tour and the historical insights shared by the guide. We appreciate your recommendation and hope to welcome you again soon.

R
Richard_M
February 3, 2026
Excellent and very...

Excellent and very interesting tour. Victoria was exceptional, explaining the history with knowledge and wit. Highly recommended.

Operator response

Thank you very much for your comment! We are very happy to know that you enjoyed such an interesting and enriching tour. Victoria is very passionate about history, and we love that her knowledge and creativity made the experience special. Thank you for recommending us. It will be a pleasure to accompany you again in future experiences and continue discovering together the best of the destination.

E
Explore43834656773
January 7, 2026
Hidden Gem of Buenos Aires

What a hidden gem of Buenos Aires! This focuses on the historical life of people in Buenos Aires. I highly recommend this tour, and Eugenia was a fantastic guide!

Operator response

Thank you very much for your recommendation! We are happy to know that you enjoyed this hidden gem of Buenos Aires and that Eugenia made the tour a fantastic experience. We hope to welcome you soon to continue exploring together.

B
Bonnie_G
January 2, 2026
Nice Guide, Modest Experience

The guide was very sweet and knowledgeable. The site itself is fine and well restored, but not especially exciting -mostly old sewer tunnels. Best done after you’ve seen most of Buenos Aires.

Operator response

Thanks for your comment. We are glad to know that you valued the guide's kindness and knowledge. We take note of your opinion about the site and its level of excitement; We understand that it can be enjoyed more after visiting other places in Buenos Aires. We hope to see you soon for another experience!

H
Heike_W
December 27, 2025
It was a very interesting...

It was a very interesting tour and the guide was excellent. I loved the fact that the lively stories brought you right back in history. Also a perfect place to be when it is hot outside.

Operator response

Thank you very much for your comment! We are very happy to know that you enjoyed the tour and that our guide's explanations transported you into history. We love that you were able to enjoy the place, especially as a nice space to cool off. It will be a pleasure to welcome you again to continue discovering more unforgettable experiences.

D
djr3082016
December 3, 2025
Interesting Layers of Local History

Well worth the visit. The Museum and tour in English were excellent. The layers of local history were very interesting. The Guide provided stories and insight into the site.

Operator response

Thank you very much for your review! We are glad to know that the visit was worth it and that you enjoyed both the museum and the English tour. We are pleased that the history, local layers and explanations from our guide made the experience even more interesting. We greatly appreciate your feedback and hope to welcome you again in the future. Thanks for visiting us!

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