Narrated `Abdullah bin Dinar: On traveling, `Abdullah bin `Umar used to offer the prayer on his Mount by signs whatever direction it took. `Abdullah said that the Prophet used to do so.
Hadith Referenceصحيح البخاري / كتاب تقصير الصلاة / 1096
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة