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Description: Research shows that natural environments have a beneficial effect on cognition and mental health. However, there is limited understanding of what properties within environments are most beneficial. Research in this area is limited by a lack of standardised, open-source, rated image databases dedicated to natural scenes. We have addressed this here by having participants rate images from a database of 500 natural images on specific cognitive restoration properties (pleasantness, familiarity etc.) as well as approach-avoidance, arousal and valence. Physical characteristics of the images have also been calculated. Participants have also provided demographic information to help understand how individual differences might affect how people rate natural environments. here we present the Salford Nature Environments Database (SNED), a standardised database of rated images which are freely available to facilitate research in this area.