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Introduction:
Jenny Lake is located in Grand Teton National Park in the U.S. state of Wyoming. The lake was formed approximately 12,000 years ago by glaciers pushing rock debris which carved Cascade Canyon during the last glacial maximum, forming a terminal moraine which now impounds the lake.
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Facts:
Many people cross Jenny Lake, either by boat or on foot around the south end, and then make the short, forest-shaded uphill slog to Hidden Falls (less than 1 mile of hiking if you take the boat; 5 miles round-trip if you walk around), which tumbles down a broad cascade. Some think that's enough and don't go another steep half-mile to Inspiration Point
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Get in:
From the north, U.S. Highways 89, 191 and 287 share the same road into the park via Yellowstone National Park. This route is closed from November to April due to snow.
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