In recent years, the negative impacts of climate change have increased the frequency and intensity of natural disasters such as landslides, and flash floods. In many regions, these types of disasters are determined to be closely related to each other. Therefore, they likely occur at the same time and cause catastrophic damage to society. This research presents the results of landslide and flash flood high–risk zonation in Da Nang city to assess and propose a list of high–risk areas for investigation at a scale of 1: 10,000. A combined susceptibility map of landslide and flash flood was generated from factor maps as landslide and flash flood–prone areas, population, traffic, buildings, and catchment. The results, which were verified with inventory data, showed the reliability of the criteria set. The identified landslide and flash flood susceptibility map could be very useful for supporting the local governments in land use planning and focusing on prone areas that need to be investigated in detail to find effective risk mitigation solutions.