Al-Mursalat 77:27
وَجَعَلْنَا فِيهَا رَوَٰسِىَ شَـٰمِخَـٰتٍ وَأَسْقَيْنَـٰكُم مَّآءً فُرَاتًا
WajaAAalna feeha rawasiyashamikhatin waasqaynakum maan furata
And We placed therein lofty, firmly set mountains and have given you to drink sweet water.
And We placed towering mountains therein, and provided you with sweet water to drink.