The Prophet ﷺ said, "In Paradise there is a tree so vast that a rider could travel in its shade for a hundred years without crossing it."
عن النبي ﷺ، قال: إن في الجنة لشجرة، يسير الراكب في ظلها مائة عام، لا يقطعها.
Bukhari narrated it in "The Beginning of Creation" (3251), from Rawh bin Abdul-Mumin, who said, Yazid bin Zuray narrated to us, who said, Saeed narrated to us, from Qatada, who said, Anas bin Malik narrated to us, and he mentioned it.