From Ashton, Idaho, the Mesa Falls Scenic Byway heads northeast into the lush landscape of the Targhee National Forest. It’s a loop that runs for nearly thirty impressive miles all the way to the Island Park area.This byway includes the popular Warm River campground and two of the most spectacular waterfalls in the West — lower and upper Mesa Falls. At the upper falls you can stop at the historic Big Falls interpretive center to learn about the geology and history of the area.

Things To Know

  • Location: Beginning at Idaho 47 in Ashton, the route travels northeast 12.4 miles to the old Bear Gulch Ski Area site, then northwest along Forest Service Route 294 ending at US 20.
  • Attractions include Upper Mesa Falls, Lower Mesa Falls, and Harriman State Park.
  • Drive Time: 28.7 miles. Allow 1 hour.
  • Plan ahead to ensure a safe and enjoyable trip (fill up on gas, pack water and food, etc.).