Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ahmad:26403 – Asbāṭ b. Muḥammad > Muṭarrif > Abū Isḥāq al-Subayʿī > Abū ʿUbaydah b. ʿAbdullāh > Liʿāʾishah Mā al-Kawthar

[Machine] A river was given to the Prophet ﷺ in the middle of Paradise. I asked, "What is the middle of Paradise?" She said, "Its two sides are hollowed-out pearls."  

أحمد:٢٦٤٠٣ – حَدَّثَنَا أَسْبَاطُ بْنُ مُحَمَّدٍ قَالَ حَدَّثَنَا مُطَرِّفٌ عَنْ أَبِي إِسْحَاقَ السُّبَيْعِيِّ عَنْ أَبِي عُبَيْدَةَ بْنِ عَبْدِ اللهِ قَالَ قُلْتُ لِعَائِشَةَ مَا الْكَوْثَرُ؟ قَالَتْ

نَهَرٌ أُعْطِيَهُ النَّبِيُّ ﷺ فِي بُطْنَانِ الْجَنَّةِ قَالَ قُلْتُ وَمَا بُطْنَانُ الْجَنَّةِ؟ قَالَتْ وَسَطُهَا حَافَّتَاهُ دُرٌّ مُجَوَّفٌ  

See similar narrations below:

Collected by Nasāʾī's Kubrá
nasai-kubra:11641 – Aḥmad b. Ḥarb > Asbāṭ > Muṭarrif > Abū Isḥāq > Abū ʿUbaydah > Liʿāʾishah Mā al-Kawthar

[Machine] "A river given to him by the Messenger of Allah ﷺ in the center of paradise," I asked, "What is the center of paradise?" She replied, "Its two sides are hollowed-out pearls."  

الكبرى للنسائي:١١٦٤١ – أَخْبَرَنَا أَحْمَدُ بْنُ حَرْبٍ حَدَّثَنَا أَسْبَاطٌ عَنْ مُطَرِّفٍ عَنْ أَبِي إِسْحَاقَ عَنْ أَبِي عُبَيْدَةَ قَالَ قُلْتُ لِعَائِشَةَ مَا الْكَوْثَرُ؟ قَالَتْ

«نَهْرٌ أُعْطِيهِ رَسُولُ اللهِ ﷺ فِي بُطْنَانِ الْجَنَّةِ» قُلْتُ وَمَا بُطْنَانُ الْجَنَّةِ؟ قَالَتْ «وَسَطُهَا حَافَّتَاهُ دُرٌّ مُجَوَّفٌ»