Natural AttractionFort Yellowstone Overlook
Travertine terraces from Mammoth Hot Springs; calcium carbonate deposition in action.
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Lewis Lake
Last Updated: January 2026
Type
Geological Feature
Accessibility
Drive-up view; campground has accessible facilities; trails are mostly compacted gravel/dirt with limited gradient changes
Best Season
Late spring through fall
Busiest Season
Mid-July to August
Features
Lewis Lake; Lewis River inflow/outflow; NW and southern shore hot springs; proximity to Lewis Falls and Pitchstone Plateau
Elevation
7,782 ft
Overview
About This Attraction
Gray-blue water mirrors the pines and the distant Tetons. Morning fog can lock the surface in a glassy sheet, then a breeze lifts the stillness. The lake is a hydrologic node: the Lewis River feeds Lewis Lake, which drains toward the Snake River, with warm springs infusing the shorelines.
Quick Facts
Type
Geological Feature
Elevation
7,782 ft
Access
Drive-up view; campground has accessible facilities; trails are mostly compacted gravel/dirt with limited gradient changes
Main Features
Lewis Lake; Lewis River inflow/outflow; NW and southern shore hot springs; proximity to Lewis Falls and Pitchstone Plateau
What You'll See
Calm blue-green lake, pine-dominated shoreline, and distant Teton peaks; the Lewis River winds along the shore with canyon glimpses to the south
What Makes It Special
One of Yellowstone's four largest lakes; high-elevation lacustrine system at 7,782 ft; connects hydrologically to the Snake River drainage; geothermal inputs from nearby springs
Best Time to Visit
Late spring, summer, and fall. The Lewis Lake Campground operates mid-June to early November. Morning fog creates mirror-like conditions; alpenglow lights the Tetons at sunset.
Safety Considerations
Water is icy (≈41°F/5°C) even in summer. Bears occur in the area; carry bear spray and follow bear safety protocols. Wind and waves can make the lake dangerous; stay back from shore and supervise children. There is no barrier or railing along most edges and cell service is absent.
Visitor Tips
- Look for morning fog that creates a mirror on the lake; calm conditions often occur at dawn.
- Bear spray is recommended on trails; stay on established paths and keep children close.
- Water is very cold (about 41°F / 5°C) in summer; dress in layers and avoid swimming.
- Cell service is unavailable at Lewis Lake Campground; download maps offline and plan ahead.
- Parking is available at the Lewis Channel Trailhead and at the Lewis Lake Campground; arrive early in peak season.
- Lewis River Channel Trail is 2.8 miles round trip with light elevation gain; Lewis Lake Trail runs along the north shore for over eight miles.
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ℹ️ Data Sources
alibaba.com wikipedia.org npshistory.com yellowstone.net visit-bozeman.com parkcation.com nps.gov recreation.gov thedyrt.com campobserver.com campsitephotos.com 10adventures.com yellowstonetrips.com yellowstonenationalparklodges.com reddit.com yellowstoneexplored.com gutenberg.org Current time information in Teton County, US. hipcamp.com yellowstoneparknet.com Google Reviews YourNPGuide Editorial
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