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Harm Reduction International Conference

Our flagship event, the Harm Reduction International Conference has helped to put harm reduction on the map for over thirty years. We platform thought leaders, amplify advocacy for change, and shine a light on local innovations in harm reduction.

HR25
Bogotá
Colombia

In April 2025, over 1,000 participants from 60+ countries came together for the Harm Reduction International Conference 2025, our most ambitious edition yet!

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Past Editions

  • Melbourne 2023

  • Porto
    2019

  • Montréal
    2017

  • Kuala Lumpur
    2015

  • Vilnius
    2013

  • Beirut
    2011

  • Liverpool
    2010

  • Bangkok
    2009

  • Barcelona 2008

  • Warsaw
    2007

  • Vancouver 2006

  • Belfast
    2005

  • Melbourne 2004

  • Chiang Mai 2003

  • Ljubljana 2002

  • New Delhi
    2001

  • St. Helier
    2000

  • Geneva
    1999

  • São Paulo
    1998

  • Paris
    1997

  • Hobart
    1996

  • Florence
    1995

  • Toronto
    1994

  • Rotterdam
    1993

  • Melbourne
    1992

  • Barcelona
    1991

  • Liverpool
    1990

    • Constellations

    Constellations: An Online Festival on Drugs and Harm Reduction is a way for the harm reduction community to gather and connect online, to explore innovative solutions, to have urgent conversations and to redefine what harm reduction is and what it can be.

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