The Messenger of Allah ﷺ said, "In Paradise there is a tree so vast that a rider could travel in its shade for a hundred years."
عن رسول الله ﷺ أنه قال: إن في الجنة لشجرة يسير الراكب في ظلها مائة سنة.
Muslim narrated it in "Paradise and the Description of Its Bliss" (2826), from Qutayba bin Saeed, who said, Layth narrated to us, from Saeed bin Abu Saeed Maqburi, from his father, from Abu Hurairah, and he mentioned it.