Visit Yellowstone first: plan 48–72 hours to cover Old Faithful, Upper Geyser Basin and Lamar Valley; arrive before 08:00 for prime geothermal activity and dawn wildlife viewing. Book lodging in West Yellowstone or Gardiner and allow an extra half day for loop drives. Elevation varies from 5,000–8,000 ft–carry layered clothing, a rain shell, and bear […]