Mottisfont Abbey is a historical priory and country estate in Hampshire, England. Sheltered in the valley of the River Test, the property is now operated by the National Trust. 393,250 people visited the site in 2019. The site includes the historic house museum which features regularly changing art exhibitions, gardens, including a walled rose garden which is home to the National Collection of ancestral species and 19th-century rose cultivars, and a riverside walk. It is a Grade I listed building