The Nakai – Nam Theun National Park is one of the most important sites for biodiversity conservation in the Annamite Mountains, yet is highly threatened from over-exploitation of wildlife. It is therefore imperative to adopt a conservation strategy for Nakai-Nam Theun National Park that includes sites prioritization where most of the resources for protection (e.g. anti-poaching patrol and law enforcement) are directed and where biodiversity is systematically monitored to assess the effectiveness of conservation interventions to protect biodiversity. The national park is divided into management zones including three Biodiversity Priority Zones (BPZs) (Figure 1) that were delineated based on their conservation importance at the national and/or global levels and past (and current) threat analysis (from past biological and threat records and from expert knowledge). To evaluate conservation interventions implemented by the national park management division, such as anti-poaching patrols, the monitoring and study of wildlife population trends is determinant. The survey design for the camera-trapping implemented in NNT NP follows the rationale and protocols developed by the Leibniz Institute for Zoo and Wildlife Research (IZW) (Abrams et al., 2018), with whom we collaborate for this project.