Rafi bin Amr reported,

I saw the Messenger of Allah ﷺ addressing the people at Mina in the late morning, mounted on a grey mule, while Ali رضي الله عنه was relaying his words to the people, who were partly seated and partly standing.

Azami 5266

Sahih

عن رافع بن عمرو المزني، قال

رأيت رسول الله ﷺ يخطب الناس بمنى حين ارتفع الضحى على بغلة شهباء، وعلي رضي الله عنه يعبر عنه، والناس بين قاعد وقائم.

الأعظمي 5266صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Hajj
Chapter
Description of the Hajj of the Prophet ﷺ as narrated by Jabir and others, and the rulings mentioned therein
Section
Prophet's ﷺ sermons during the Farewell Pilgrimage
Numbering
Jami al-Kamil 5266 (2nd edition)
Azami 5266