Abu Sa'eed Al-Khudri narrated that the Prophet (s.a.w) said:
"In Paradise there is a tree, a rider will travel in its shade for a hundred years without reaching an end." (JA)
English reference (JA): Vol. 4, Book 12, Hadith 2524 (JA)
Arabic reference (JA): Book 38, Hadith 2715 (JA)