There is a small but very nice RV park right on the Salmon River, just outside of White Bird. White Bird is between Lewiston, ID and McCall. It's called Swiftwater RV Park. First week in June could be chilly in McCall with tons of mosquitoes, especially this year. It will be much warmer in White Bird, and no mosquitoes. You can camp by the river under some nice, big willow trees. No brewery within walking distance though, although we have beer at our place