Campsite Sniper
Wyoming · Recreation.gov

Lewis Lake Campground

44.2799° N / 110.6291° W · Data Nov 2 2026, checked hourly
81 monitored sites

Sites at this facility

Campsite Sniper is not currently tracking online availability for this facility. The sites below are shown for reference only — they are not known to be unavailable. Check Recreation.gov for current dates.
Lewis Lake Campground

Pick a site on the map to see its site map.

Availability is not tracked here yet

Campsite Sniper does not currently hold availability data for Lewis Lake Campground. That is a gap in what Campsite Sniper tracks — it does not mean the facility is full, closed, or unavailable. Recreation.gov may well be showing open dates right now.

The site details and map below come from the public Recreation.gov record and are accurate. For current dates and to book, go to Recreation.gov.

01 · Detected Opening History · the openings record · file CS-259309

When Lewis Lake Campground reopens

Lewis Lake Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 7 days
0
Openings · last 30 days
45
Openings · last 90 days
834

Weekday pattern

Detected openings by day of week · 90d
0100200300400500764099876407263MONTUEWEDTHUFRISATSUNOPENINGS RECORDED · LAST 90 DAYS · N = 834

Tuesday accounted for the largest share of the openings Campsite Sniper detected. 409 of 834 openings detected in the last 90 days occurred on a Tuesday (49.0%), with Wednesday (98) and Monday (76) next in line.

Hour-of-day pattern

First detected by hour · local time · last 90 days
0100200300400353000408121620HOUR OF DAY (24H) · MT · LAST 90 DAYS

The largest concentrations of detected openings were first detected during the 06:00 and 15:00 local-time hours. Those hours contained 435 of 834 detected openings (52.2%). Hours show when Campsite Sniper first detected each opening, in Mountain Time, not when the change was made upstream.

Lead-time profile

Days before stay date · percentiles
P25 · 7DMEDIAN · 12 DAYS OUTP75 · 14D0306090120150180DAYS BEFORE STAY DATE

Half of the openings Campsite Sniper detected appeared at least 12 days before the stay date; the middle 50% land 7–14 days out. Set an alert if you want Campsite Sniper to monitor future openings.

Highest-churn sites

Most openings · 90d
SiteOpeningsShare of all openings
Lewis Lake site #51  242.9%
Lewis Lake site #47  202.4%
Lewis Lake site #30  192.3%
Lewis Lake site #46  192.3%
Lewis Lake site #52  182.2%

Site Lewis Lake site #51 had the most detected openings in the last 90 days: 24. One free watch covers every site here.

About Lewis Lake Campground

Overview

Lewis Lake Campground—elevation 7,800 ft (2377 m)—is about twelve miles (19 km) from the South Entrance and a short walk from the southeast shore of Lewis Lake. The maximum total vehicle length in the campground is 25 feet (7.5 m) . Water is only available from July 1st-October 1st. A boat ramp is located near the campground information and registration area. Canoes, kayaks, and motor boats are allowed on Lewis Lake. The park requires a boat permit and park staff will perform an aquatic invasive species inspection. Learn more on the park's Boat on a Lake web page.

Facilities

Lewis Lake Campground offers:

84 Campsites

Food Storage Lockers

Trash/Recycling Collection

Staff or Volunteer Host On Site - Seasonal

Potable Water spigots (July 1st-October 1st)

Vault Toilets - year round

Boat launch

The campground does NOT have Cell Phone Reception or Showers

Natural Features

The campground is on one of the large, fresh water, high elevation lakes in Yellowstone. Lewis Lake allows use of both motorized and non-motorized boats.

81 monitored sitesRVs up to 25 ftNo hookupsPets OKFire pitsMax party 6

Getting there

Lewis Lake Campground is twelve miles (19.3 km) north of the South Entrance. It is located on the road between South entrance and West Thumb.

Yellowstone National Park, Yellowstone, WY 82190307-344-2107
BackpackingBirdingBoatingCanoeingFishingHikingRanger Station

View on Recreation.gov ↗   Get directions ↗

FAQ

How do I get a reservation at Lewis Lake Campground?

Online reservations for this facility, where offered, are made through Recreation.gov. Campsite Sniper has also detected 834 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.

Does Campsite Sniper book this campground for me?

No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.

How current is this availability data?

Campsite Sniper does not currently hold availability data for Lewis Lake Campground, so there is nothing to date here. That is a gap in coverage — it does not mean the facility is full or closed. Check Recreation.gov for current dates.

How often do new openings appear at Lewis Lake Campground?

Campsite Sniper detected 834 site-date openings here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.

Which day of the week had the most detected openings at Lewis Lake Campground?

Tuesday accounted for the largest share of the openings Campsite Sniper detected in the last 90 days: 409 of 834 (49%). Days reflect when Campsite Sniper first detected each opening, not when the change occurred upstream.

Which sites at Lewis Lake Campground fit a 35-foot RV?

No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 25 ft.

How far ahead of a stay do openings appear at Lewis Lake Campground?

Half of the openings Campsite Sniper detected appeared at least 12 days before the stay date; the middle 50% landed 7-14 days out. Campsite Sniper can monitor future changes for dates you select.

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