The 4350-sq-km St Katherine Protectorate was created in 1996 to counteract the detrimental effects of rapidly increasing tourism on St Catherine’s Monastery and the adjacent Mt Sinai. In addition to the area’s unique high-altitude desert ecosystem, it protects a wealth of historical sites sacred to the world’s three main monotheistic religions, and the core part around the monastery has been declared a Unesco World Heritage site.
When visiting Egypt, don't drink the tap water - it's highly chlorinated. ... It's a similar situation in Egypt. It is advisable to drink bottled water during your entire holiday. That is why I would advise strongly that you don't drink the tap water and use it only for washing and brushing your teeth.