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Mesa Falls, Ashton

4.9
#6 of 54 in Nature in Idaho
Waterfall Nature / Park
Upper Mesa Falls is a waterfall on the Henrys Fork in the Caribou-Targhee National Forest. Upstream from Lower Mesa Falls, it is roughly 16mi away from Ashton, Idaho.Upper Mesa Falls is roughly 114ft high and 200ft wide.FormationMesa Falls Tuff, which is the rock over which Upper Mesa Falls cascades, was formed 1.3 million years ago. A cycle of rhyolitic volcanism from the Henrys Fork caldera deposited a thick layer of rock and ash across the area. This layer compressed and hardened over time.Between 200,000 and 600,000 years ago, the river eroded a wide canyon which was subsequently partly filled with basalt lava flows. The Henrys Fork of the Snake River then carved the channel through the basalt; which is the inner canyon seen today.
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248 reviews
TripAdvisor
  • Such a beautiful set of falls- upper and lower. Easy to get to and the view is spectacular. Try have a great info sign and no busses. Visitor center is lovely.  more »
  • Beautiful falls love to visit every time I drive through recommend for anybody who likes nature, Bring cash for the entry fee  more »
  • Easy access for all. Beautiful. Visible from Upper and Lower viewing spots. The scenic highway to get there is indeed scenic!  more »

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