haigler creek...its very unused and easy to follow, you can go as far as you want and still be able to turn back. i go every summer,its my favorite place to be. there aren't big waterfalls but the amount you come across is awesome. its not well hiked, so you get solitude. and to continue on you have...

i prefer to use chemicals in the water. I have a very inexpensive 1 micron filter if the water is nasty lookin. i carry a small bottle of chlorine just a drop per liter works well and doesn't leave a bad taste. i previously used iodine tablets....yuck makes the water taste like it came from a hose.