Sayyiduna Abdullah bin Umar (may Allah be pleased with them) narrates: The Prophet Muhammad (peace and blessings be upon him), Sayyiduna Abu Bakr (may Allah be pleased with him), Sayyiduna Umar (may Allah be pleased with him), and Sayyiduna Uthman Ghani (may Allah be pleased with him) used to camp in the valley of Muhassab.