The Balerna diurnal therapeutic Centre Pro Senectute had a garden that its patients, who are aged people affected by cognitive disturbances, were prevented from enjoying it by several architectonic barriers. The garden, composed of two levels placed at two different heights, was abandoned. Cognitive disturbances distort the capacity of orienting oneself in space and time and the faculty of discerning shapes and colours; ageing and its connected pathologies bring about a progressive decrease of self-sufficiency, and, as a consequence, of mobility skills. Because of this, planning an area intended for people affected by dementia or ambulation problems has to address specific requirements. The “Sensory Garden” is a recognizable and reassuring place, in which to experience a sense of freedom and relax. At the same time, it was conceived with a sensory stimulation therapeutic program in mind.