In the trekking areas most lodges serve boiled and filtered water, which is generally safe, we suggest a drop of iodine for safe water. Make sure your water is boiled or treated with iodine. Iodine is 100% effective in killing water-borne bacteria. We strongly recommend however that you bring your own filter water bottle so that you will have convenient access to clean water at all times. And it will be possible to buy the bottle water also on the way.