تحفة النظار في غرايب الامصار وعجايب الاسفار 13.37.2

13.37.2

and no animal is watered from it. We stayed by it three days and no one scooped a single handful from it, nor did we even go near it, because it comes down from the mountain of Qarājīl, where there are gold mines, and passes over poisonous creatures, so whoever drinks from it dies (129).