Upper Mesa Falls, Waterfall in Caribou-Targhee National Forest, Idaho, US.
The Upper Mesa Falls drops 35 meters in height and spans 61 meters across the Henrys Fork of the Snake River at 1,707 meters elevation.
The falls formed through volcanic activity 1.3 million years ago, when rhyolitic eruptions created the Mesa Falls Tuff rock formation that shapes the cascade.
The Big Falls Inn, constructed in 1915, transformed from a worker facility into an educational center where visitors learn about regional natural heritage.
The waterfall observation points connect through a 0.75-mile loop trail with boardwalks and multiple viewing platforms accessible from Mesa Falls Scenic Byway.
The waterfall maintains its natural flow without hydroelectric modifications, preserving the original cascade pattern through volcanic rock formations.
Location: Fremont County
Elevation above the sea: 1,707 m
Height: 35 m
Width: 61 m
Part of: Henrys Fork
GPS coordinates: 44.18778,-111.33000
Latest update: May 11, 2025 13:37
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