Gibson Reservoir, Reservoir in Lewis and Clark National Forest, Montana, United States
Gibson Reservoir extends across 1,296 surface acres with a 15-mile shoreline between Teton and Lewis & Clark counties in Montana.
The construction of Gibson Dam began in 1926 and concluded in 1929, incorporating 167,500 cubic yards of concrete into its arch structure.
The reservoir serves as a meeting point for local fishing communities who gather to catch rainbow trout, cutthroat trout, and brown trout.
Access to Gibson Reservoir requires driving west on I-15 from Great Falls, following State Highway 21 to Augusta, then taking the county road.
The North Fork and South Fork Sun River merge to supply spring snow runoff water, maintaining the reservoir's depth of 123 feet.
Location: Montana
GPS coordinates: 47.60333,-112.76083
Latest update: March 5, 2025 10:19
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