It is narrated from Hazrat Anas (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: In Paradise, there is a tree under whose shade, if a rider travels for a hundred years, he would still not be able to cross its shade.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 12928
Hadith Gradingحکم دارالسلام:إسناده صحيح، وسلف الكلام على طريق أبى هريرة هذا عند الحديث: 12070