4 seasons in 1 day
Waterproof jacket and pants (these help cut the wind as well), waterproof boots that are well worn in, and a warm layer of clothing are essential -- especially if you are camping the entire trip. Avoid cotton clothing and socks. Expect any kind of weather at any time. You shouldn't need to worry about crossing streams -- there are some but they have stepping stones or logs to get across (some places get muddy as well). A walking stick is useful to protect your knees on the downhill parts and to help keep your balance when crossing streams. Basic first aid kit, bring your own toilet paper, water purification in case it is needed. You can get bottled water at the refugios but the cost adds up. Camera should be weather resistant or otehrwise protected from the elements. Bring more film than you think you'll need since you likely won't ever be back here. Some people don't bring tents to...
