Volume 2, Book 26, Number 729:
Narrated Nafi’:
‘Abdullah bin ‘Umar used to offer the Maghrib and ‘Isha’ prayers together at Jam’ (Al-Muzdalifa).
But he used to pass by that mountain pass where Allah’s Apostle went, and he would enter it and an –
swer the call of nature and perform ablution, and would not offer any prayer till he had prayed at
Jam.’