Prefectura seized 1,059 kg of marijuana in Posadas
Prefectura Naval Argentina officers found 40 bundles holding 1,059 kg of marijuana hidden near the Arroyo Itaembé in Posadas, Misiones, after a thermal camera caught a motorboat crossing from Paraguay. No one was detained, and the Federal Prosecutor's Office No. 2 in Posadas ordered the load held by the federal court.
Prefectura Naval Argentina officers seized1,059 kilograms of marijuana in a
procedure in the city of Posadas, a case under Argentina’s narcotics law, Law
23,737.[1]The Security Ministry gave no arrest: the load alone was taken, and
the Federal Prosecutor’s Office No. 2 in Posadas ordered it seized and held by
the federal court.[1]
The operation began in the early hours, when officers using a thermal camera
detected a motorboat crossing from the Paraguayan bank toward Argentina and
heading into the Arroyo Itaembé, a stream, at kilometre 1,567 of the Paraná
River.[1]Officers swept the area and found 40 bundles hidden in the
vegetation holding packages consistent with narcotics.[1]A field narcotics
test at the Prefectura unit was positive for Cannabis sativa, marijuana.[1]
The load held 31 bundles with 1,154 pressed bricks weighing 955.20 kilograms and
nine bundles with 104 packages of buds weighing 104.50 kilograms.[1]The
authorities valued the marijuana at 3,306,267,000 pesos, using the ARCA customs
reference valuation and the day’s official dollar rate.[1]
El Territorio reported that Prefectura ran the operation under the
border-control tasks set by the National Security Ministry and named it “A
orillas del Itaembé”.[2]The Misiones outlet Noticias de la Calle reported the
operation as starting “during the early hours of yesterday” in its account
published on 9 August.[3]
Photos and video
Uncaptioned handout photo published with the Security Ministry's account of the Posadas seizure of 1,059 kg of marijuana. Photo: Prefectura Naval ArgentinaPhoto details
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Source: Argentina.gob.ar (Prefectura Naval Argentina)Second uncaptioned handout photo published with the Security Ministry's account of the Posadas seizure. Photo: Prefectura Naval ArgentinaPhoto details
The agency gives no separate date for the operation; 8 August 2026 is its publication date, and Noticias de la Calle's 9 August account describes the crossing as happening "during the early hours of yesterday", which supports 8 August.
The release records no arrests or identified suspects, and does not say whether the boat was seized.
The total of 1,059 kg is the agency's rounded figure; the two components it lists, 955.20 kg of pressed bricks and 104.50 kg of buds, add up to 1,059.70 kg.
The value of 3,306,267,000 pesos is the Argentine authorities' estimate under the ARCA customs valuation, pegged to the official dollar rate of the day.
Noticias de la Calle reports a separate Prefectura seizure that week in San Javier, near the Brazilian border, which is a different event and is left out of this report.
The photographs on the agency page carry no captions, alt text or named photographer, so they are linked on the strength of the release they illustrate.
The exact spot on the Arroyo Itaembé where the bundles were found is not given, so the pin is the centre of Posadas.
Police in Salta detained a 26-year-old driver during a vehicle checkpoint on Ruta Nacional 9 in Campo Alegre, La Caldera. Officers from the División Investigación Narcocriminal 2 seized 70 doses of marijuana and cocaine after preliminary field tests.
Road police at the Subfluvial Tunnel control post identified a 33-year-old Buenos Aires man carrying cocaine and marijuana in a van. Field tests confirmed 2.1 grams of marijuana alongside 5.9 grams of cocaine, and the case was treated as simple possession.
Cleaning staff found a package of marijuana on a long-distance bus that had arrived at the Chajarí terminal in Entre Ríos after leaving Paraná, and the drivers called the police. Officers of the Federación department drug division tested and seized the substance and left the case with the prosecutor's office, with no one arrested.
Chaco police securing a woman's belongings from a room she rented in Resistencia found two cannabis seedlings, marijuana flowers and indoor growing equipment, and anti-drug officers' field tests were positive for marijuana. The woman was detained after another clash with the owner and released on the order of the anti-drug prosecutor's office, which kept the items but not the cash.
