●THE AMARO ATLAS

RECORD amargo-obrero · EVIDENCE GRADE A · UNCLAIMED · LAST VERIFIED 2026-07-05

Amargo Obrero

Rosario, Santa Fe · Argentina · -32.948, -60.639

REGION: latin americaTRADITION: AmargoEST. 1887WEBSITE ↗

ZONE 01 — VERIFIED FACTS

Founded
1887, Rosario, Argentina — producer states 'bebida nacida en 1887 en Rosario'A·1
Commercial development
Hércules Tacconi, newly qualified as an accountant, joined Pedro Calatroni's Rosario liquor factory in 1920 and became Calatroni's partner; after Calatroni's death Tacconi bought the remaining share from his widowA·2
Ownership history
Sociedad Anónima Tacconi & Cía until 1987 → sold to Bols (1987) → subsequently acquired by Cepas Argentinas, which still commercialises it today as part of Grupo CepasA·2
Current owner/distributor
Grupo Cepas (Cepas Argentinas)A·1
Flagship ABV
19% alcohol by volume ('Graduación alcohólica: 19%')A·1
Bottle size
950ml ('Calibre 950ml')A·1
Cultural Heritage status
Declared official Cultural Heritage (patrimonio cultural) of the city of Rosario by unanimous Municipal Council vote, June 2017A·2

ZONE 02 — AI-COLLATED SUMMARY

AI-ASSISTED · FROM GRADED PUBLIC SOURCES

Amargo Obrero is an Argentine amargo born in 1887 in Rosario, per producer Grupo Cepas. Hércules Tacconi joined Pedro Calatroni's liquor factory in 1920 and became his partner; the firm traded as Sociedad Anónima Tacconi & Cía until its 1987 sale to Bols, and the brand later passed to Cepas Argentinas, today's Grupo Cepas. The flagship is 19% ABV in 950ml bottles; the Rosario council article describes a blend of carqueja, chamomile and muña muña, traditionally served with soda. In June 2017 Rosario's Municipal Council unanimously declared it the city's cultural heritage.

AI-collated from the graded sources below; operator review pending.

ZONE 03 — PRODUCER-SUBMITTED NOTES

This record is unclaimed. This space opens to the producer when they claim it. Producer claiming is coming soon.

PRODUCTS ON RECORD

Amargo Obrero

19% ABV

BOTTLE IMAGE
ADDED BY THE PRODUCER

SUBCATEGORY — (family ring)RING familyTRADITION AmargoSELF-IDENTIFIED “'El aperitivo del pueblo' — 'suave, ligero y herbal' (soft, light and herbal), with the bite of the alcohol note combining sweetness and bitterness in just balance (producer's own copy, Grupo Cepas brand page)”

An Argentine amargo aperitivo born in Rosario in 1887 and produced today by Grupo Cepas, sold in 950ml bottles at 19% ABV. The producer bills it as soft, light and herbal, balancing sweetness and bitterness; traditionally lengthened with soda.

BOTANICAL MATRIX — 3 GRADED EDGES

  • Carqueja · bitteringA·2
  • Chamomile (manzanilla) · aromaticA·2
  • Muña muña · aromaticA·2

DESCRIPTORS

No tasting notes on record yet.

SERVES

Amargo con soda

canonical
  • · Amargo Obrero
  • · Soda water

Traditional serve — Amargo Obrero lengthened with soda water; the council article describes the served drink as foamy, mixed with sodaA·2

ZONE 04 — COMMUNITY TASTING NOTES

RESERVED — community notes open in V2 with moderation and bias handling. The contributions ledger is already recording.

COMMON QUESTIONS

Where is Amargo Obrero made?
Amargo Obrero is made in Rosario, Santa Fe, Argentina, and was founded in 1887.
What style of amaro is Amargo Obrero?
On The Amaro Atlas, Amargo Obrero is recorded in the family ring, within the Amargo tradition. The producer describes it as "'El aperitivo del pueblo' — 'suave, ligero y herbal' (soft, light and herbal), with the bite of the alcohol note combining sweetness and bitterness in just balance (producer's own copy, Grupo Cepas brand page)".

SOURCES — A–D GRADED (4)

  1. [1]AAmargo Obrero brand page · Grupo Cepas · producer-official · accessed 2026-07-05
  2. [2]A«Amargo Obrero», una bebida del campo local, nacional y popular · Concejo Municipal de Rosario (Rosario Municipal Council) · other · accessed 2026-07-05Civic/regulatory registry — the council's own official account of its unanimous June 2017 Cultural Heritage declaration; also the cited source for the Tacconi/Bols/Cepas history, the carqueja/manzanilla/muña muña herb list, and the soda serve
  3. [3]CAmargo Obrero product entry · Difford's Guide · database · accessed 2026-07-05Caution: states 19.9% ABV and 'created in 1888 by Pedro Calatroni and Antonio Tacconi', conflicting with producer (19%, 1887) and council (Hércules Tacconi). No profile facts cite it; corroborates the classic soda-water serve
  4. [4]CAmargo, obrero y rosarino · Revista Barullo · press · accessed 2026-07-05Background corroboration for 1887, Calatroni's licores/vodka factory, Tacconi's 1920 entry, the 1987 Bols sale and the 2017 declaration; sole source giving 1989 as the Cepas Argentinas acquisition year, so that year is excluded from verifiedFacts

A producer-official / regulatory · B reputable published · C secondary · D community/unverified