The BES-Net Cameroon National Trialogue 2019 brought together scientists, policymakers, and experts to enhance the science-policy relevance of Cameroon’s biodiversity and ecosystem services assessment. Held in Mbankomo, the event fostered dialogue on integrating biodiversity insights into national policies, refining key policy questions and strengthening multi-stakeholder engagement to support Cameroon’s Vision 2035 and global sustainability goals.