See A. Embick, _Fast & Cold: A Guide to Alaska Whitewater_.
See also
Middle Copper and
Lower Copper. Not to be confused with the
Iliamna Copper, which is 600 miles to the West.
This is listed as one of Alaska's top whitewater trips in GORP. Read their description by
clicking here. (Clicking will open a new browser window.) GORP's map incorrectly places the Copper way southeast in the panhandle (it should be southeast, but not _that_ far down!), but nobody's perfect.