مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1924
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn "Abbas said: Al-Muhassab is not of any significance; it is just a place where the Messenger of Allah (ﷺ) halted.
Musnad Ahmad 1925Sahih (Darussalam) [ al-Bukhari (1766) and Muslim (1312)]