2 ResultsMost relevantNorthwest trip Ended...Falls Id , Lost River valley in ID was next and a short drive through the Craters of the Moon NM. The last stop was the Big Wood River/Ketchum Id. We were going to finish with 5 days on the P...Trip Report: WA to Yellowstone/Grand Teton NPs and back....hould have gone south down around Alpine, WY and the Paslisades Reservoir. We trucked on through to Idaho Falls, and stayed at the Snake River RV Park. Again, we got there just in time to make dinner. T...