Mustadrak al-Hakim — Hadith 3352

It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) passed by "the valley of al-Azraq" and asked: "Which valley is this?" The Companions said: "This is the valley of al-Azraq." He (peace and blessings be upon him) said: "It is as if I am looking at Sayyiduna Musa bin Imran (peace be upon him) descending through this valley, calling out loudly to Allah with the takbir (Allahu akbar)." Then he (peace and blessings be upon him) reached a mountain pass and asked: "Which pass is this?" The people said it was such-and-such a pass. He (peace and blessings be upon him) said: "It is as if I am looking at Yunus bin Matta (peace be upon him) riding a sturdy red she-camel whose halter is made of palm fibre; he is wearing a woollen cloak and reciting the talbiyah (calling out 'Labbayk Allahumma labbayk')."
This hadith is sahih (authentic) on the condition of Imam Muslim, but the two Shaykhs (Bukhari and Muslim) did not record it.