El Zanjón de Granados
El Zanjón is an underground archaeological site featuring tunnels, cisterns, and drainage channels dating back to the 16th century. Discovered accidentally in the 1980s during renovation of an Italian colonial house.
Practical Information
Prices verified: Jan 18, 2026Entrance Fee
Adult
13 USD
Child
8 USD
Standard tour approx. $13 USD, premium tour with wine and empanadas available
Best Time to Visit
Tours in English at 12 PM and 4 PM daily (2 PM added on weekends). Book online or arrive 1 hour early. Combine with San Telmo market visit on Sundays.
Connectivity & Services
Wheelchair access
Not accessibleAudio guide
Not availableStaff assistance
AvailableFacilities & Services
guided tours
restrooms
Working Hours
Verified: Jan 18, 2026Monday11:00 — 17:00
Tuesday11:00 — 17:00
Wednesday11:00 — 17:00
Thursday11:00 — 17:00
Friday11:00 — 17:00
Saturday11:00 — 17:00
Sunday11:00 — 17:00
faq.title
faq.subtitle El Zanjón de Granados
Casa Mínima is the narrowest house in Buenos Aires, only 2.5 meters wide. Said to be the last remaining example of the lots given to freed slaves. Can be visited as an add-on tour.
Reviews
Weather
Average temperature by month
Now
20°
20°71%9 м/с
Today
31°19°
31°19°Tomorrow32°21°
32°21°Fri34°21°
34°21°Sat36°23°
36°23°Sun35°23°
35°23°Mon37°24°
37°24°Tue36°27°
36°27°31°
20°Jan
30°
20°Feb
26°
17°Mar
23°
15°Apr
19°
12°May
15°
9°Jun
14°
8°Jul
17°
9°Aug
18°
10°Sep
21°
12°Oct
25°
15°Nov
29°
18°Dec
Water temperature
24°
23°
22°
19°
16°
13°
12°
12°
14°
17°
20°
22°
What else to see
Interesting places nearby
