The Messenger of Allah ﷺ said, "In Paradise there is a tree whose shade a rider could travel under for a hundred years and still not cross."The narrator said, I related this to my father, and he said, "I heard Abu Hurayrah narrating it."
حدثنا عبد الرحمن حدثنا سليم بن حيان عن قتادة
قال رسول الله ﷺ إن في الجنة شجرة يسير الراكب في ظلها مائة عام لا يقطعها قال فحدثت به أبي قال سمعت أبا هريرة يحدث به
Its isnad is sahih. Salim bin Hayan bin Bassam Hudhali was deemed reliable by Nasai and Ibn Main. The hadith has already appeared at 10208.