Mesa Falls Scenic Byway

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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.
Mesa Falls
Ashton Chamber of Commerce

Things To Know

  • Location: The southern end is in Ashton at Idaho 47. Travel northeast 12.4 miles to the old Bear Gulch Ski Area site and then northwest along Forest Service Route 294 to the northern end at U.S. 20.
  • Attractions include Upper Mesa Falls, Lower Mesa Falls, and Harriman State Park.
  • Length: 28.7 miles. Allow one hour.
  • Roadway: Both Idaho 47 and Forest Service Route 294 are two-lane, paved roads. In winter, Forest Service Route 294 is closed to automobiles and becomes a Forest Service snowmobile route
  • Plan ahead to ensure a safe and enjoyable trip (fill up on gas, pack water and food, etc.).

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