Pros & cons
PROS
- Short walk to Lewis Lake with a convenient boat ramp
- Reservable, NPS‑run sites near the South Entrance/West Thumb corridor
CONS
- No hookups, showers, or cell service
- Strict 25 ft total vehicle length limit; generators prohibited
- Some sites can feel close together
Overview
A classic, no-frills forest campground, Lewis Lake sits a short walk from the lake’s southeast shore at about 7,800 feet. It’s NPS‑managed, quiet after dark, and perfectly placed if you’re arriving from the South Entrance or splitting time with West Thumb and Yellowstone Lake.
Campsites & Amenities
Expect roughly 84–85 reservable sites for tents and small rigs. There’s a hard cap on total vehicle length at 25 feet (including trailer), and RV delivery isn’t allowed. Facilities are rustic: vault toilets, seasonal potable-water spigots, bear-proof food lockers, and trash/recycling. You won’t find hookups, showers, or reliable cell service, and generators are not allowed. Quiet hours run 10 pm–6 am; checkout is 10 am; max six people per site.
Season, Fees, and Reservations
The campground typically operates mid‑June to mid‑October with an affordable nightly rate (around $20). Reservations open on a rolling six‑month window and go fast—book as soon as your date opens.
Boating & Fishing
A boat ramp sits by the campground information/registration area, making this one of the easiest places in the park to launch. Canoes, kayaks, and motorboats are allowed on Lewis Lake, but you must have a Yellowstone boat permit and pass an aquatic invasive species inspection. Anglers 16+ need a Yellowstone fishing permit and must follow park regulations.
Campfires & Wildlife
Fires are allowed only in established grates and may be restricted when fire danger is high. Use only dead, downed, and detached wood; drown and stir until cold. This is bear country: store all food and scented items in vehicles or provided lockers and use bear‑resistant trash.
Nearby & Why Pick It
Lewis Falls and the Lewis Canyon overlook are close, and West Thumb Geyser Basin and Yellowstone Lake are an easy drive north. Trails like Heart Lake Loop and the climb toward Mt. Sheridan are within striking distance. Compared with larger campgrounds, Lewis Lake feels more low‑key and woodsy—great if you value a simple lakeside base over amenities.
Best Time to Visit
- Peak summer offers the most reliable access and open water spigots. In late September, water is typically shut off—plan to bring/treat water.
- Reserve six months out for summer dates. Midweek dates see slightly more availability.
- For photography and calm paddling, hit the lake at sunrise or near sunset when winds are lighter and light is soft.
Where it is
44.2822, -110.6280Tips for Lewis Lake Campground
- 01Book as soon as your six‑month reservation window opens—sites go fast.
- 02Measure your entire rig carefully; the 25 ft total length limit is enforced.
- 03After late September, campground water spigots are typically off—bring/treat water.
- 04No generators or cell service—plan power and downloads ahead of time.
- 05If launching a boat, budget time for the permit and AIS inspection before heading to the ramp.
Amenities
Near Lewis Lake Campground
All places →All trails →
1.1 mi awayLewis Falls TrailBlink-and-you’re-there stroll to a roadside river waterfallEasy · 0.1 mi · 3 min
1.1 mi awayLewis FallsRoadside 30‑foot cascade you can admire right from the bridgePullout · Parking
1.7 mi awayLewis LakeQuiet roadside lake with easy boat access and mellow viewsParking · Restroom
2.8 mi awayHeart Lake TrailBig lake views, quiet miles, and a brush with backcountry geysersModerate · 15.1 mi · 6 hr
3 mi awayShoshone Lake TrailGentle creekside stroll to Yellowstone’s largest wild lakeEasy · 6 mi · 2 hr
3 mi awayDogshead TrailForest stroll to Shoshone Lake with a quiet lakeshore payoff.Moderate · 10.8 mi · 4 hr
5.7 mi awayHeart Lake Geyser BasinRemote backcountry geyser basin on Heart Lake’s shoreGeyser
6.9 mi awayShoshone LakeA wild, roadless lake for hikers, paddlers, and solitude seekers
