Just a quick note to add about fishing. Wild trout really don't have many calories. I used to travel this way a lot--catching fish each night--but also serving those fish over a bed of pasta.

Because two POUNDS of trout is 1500 calories...and that's if you eat two pounds of trout---not if you catch two pounds of trout. That's a lot of fish...and a long way from being enough calories for a day's hiking.
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