Pick a site on the map to see its availability calendar.
No strong weekday pattern is evident in the openings Campsite Sniper has detected: 295 openings spread across the week.
The largest concentrations of detected openings were first detected during the 00:00 and 19:00 local-time hours. Those hours contained 123 of 295 detected openings (41.7%). Hours show when Campsite Sniper first detected each opening, in Central Time, not when the change was made upstream.
Half of the openings Campsite Sniper detected appeared at least 6 days before the stay date; the middle 50% land 3–15 days out. Set an alert if you want Campsite Sniper to monitor future openings.
| Site | Openings | Share of all openings |
|---|---|---|
| 37 | 18 | 6.1% |
| 34 | 11 | 3.7% |
| 8 | 11 | 3.7% |
| 16 | 11 | 3.7% |
| 39 | 10 | 3.4% |
Site 37 had the most detected openings in the last 90 days: 18. One free watch covers every site here.
Of the 4,324 tracked site-nights (Nov 2, 2026 – May 3, 2027): 2,038 open for online reservation · 366 reserved · 1,920 closed.
Of the open site-nights on mapped sites, 1,165 fall on weekdays and 873 on weekends (Fri–Sun).
April holds the most room. 1,250 of 1,363 site-nights are still open there.
| Window | Night | Sites open | Status |
|---|---|---|---|
| Thanksgiving | THU Nov 26 | 7 | Open |
| FRI Nov 27 | 7 | Open | |
| SAT Nov 28 | 9 | Open | |
| Christmas | THU Dec 24 | 15 | Open |
| FRI Dec 25 | 15 | Open | |
| New Year | THU Dec 31 | 15 | Open |
| FRI Jan 1 | 0 | None open | |
| Memorial Day | FRI May 28 | 0 | None open |
| SAT May 29 | 0 | None open | |
| SUN May 30 | 0 | None open | |
| MON May 31 | 0 | None open |
Thanksgiving: 6 sites are available for the complete three-night stay. Christmas: 15 sites are available for the complete two-night stay. New Year: no site is currently available for the complete two-night stay. Friday has no online availability; individual Thursday night remains open. Memorial Day: no online availability on any tracked night.
| Site | Open site-nights |
|---|---|
| 39 | 81 |
| 40 | 81 |
| 36 | 79 |
| 45 | 78 |
| 46 | 76 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
The next bookable night is Nov 2; the first open weekend starts Nov 6. Campsite Sniper can watch later dates for you.
Multi-night stays. 120 2-night, 106 3-night, 69 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Nov 2 at site 34.
RV length. Longest recorded site here is 117 ft. 46 sites take 25 ft, 46 sites take 35 ft, 46 sites take 40 ft. 1 site of 47 has no recorded maximum and is not counted.
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 39 | 55 ft | Yes | 81 | 40 nights | Nov 5, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 15, Nov 16, Nov 17, Nov 22, Nov 23, Nov 24 +69 more |
| 40 | 60 ft | Yes | 81 | 33 nights | Nov 4, Nov 5, Nov 6, Nov 7, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 15, Nov 16, Nov 17 +69 more |
| 36 | 60 ft | Yes | 79 | 34 nights | Nov 5, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23 +67 more |
| 45 | 60 ft | Yes | 78 | 40 nights | Nov 8, Nov 9, Nov 10, Nov 11, Nov 15, Nov 16, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27 +66 more |
| 46 | 60 ft | Yes | 76 | 34 nights | Nov 4, Nov 5, Nov 6, Nov 7, Nov 8, Nov 10, Nov 11, Nov 12, Nov 13, Nov 15, Nov 16, Nov 22 +64 more |
| 47 | 50 ft | Yes | 75 | 33 nights | Nov 4, Nov 5, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 15, Nov 16, Nov 17, Nov 18, Nov 23 +63 more |
| 43 | 60 ft | Yes | 73 | 40 nights | Nov 8, Nov 9, Nov 15, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29, Nov 30 +61 more |
| 44 | 60 ft | Yes | 72 | 40 nights | Nov 4, Nov 5, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 15, Nov 16, Nov 22, Nov 23, Nov 24 +60 more |
| 38 | 60 ft | Yes | 71 | 33 nights | Nov 2, Nov 17, Nov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 29, Nov 30, Dec 1 +59 more |
| 41 | 55 ft | Yes | 69 | 33 nights | Nov 12, Nov 15, Nov 16, Nov 17, Nov 18, Nov 23, Nov 24, Nov 29, Nov 30, Dec 1, Dec 2, Dec 3 +57 more |
| 35 | 60 ft | Yes | 68 | 25 nights | Nov 2, Nov 3, Nov 5, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 21, Nov 22, Nov 23, Nov 24 +56 more |
| 42 | 60 ft | Yes | 68 | 32 nights | Nov 9, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Dec 2, Dec 3, Dec 4, Dec 5, Dec 6, Dec 7 +56 more |
| 33 | 60 ft | Yes | 66 | 21 nights | Nov 5, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 15, Nov 16, Nov 17, Nov 18, Nov 22, Nov 23 +54 more |
| 37 | 60 ft | Yes | 65 | 19 nights | Nov 5, Nov 15, Nov 16, Nov 21, Nov 22, Nov 23, Nov 28, Nov 29, Nov 30, Dec 1, Dec 2, Dec 3 +53 more |
| 34 | 60 ft | Yes | 57 | 26 nights | Nov 2, Nov 3, Nov 8, Nov 15, Nov 16, Nov 17, Nov 18, Nov 19, Nov 29, Nov 30, Dec 1, Dec 2 +45 more |
| 1 | 75 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 10 | 85 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 11 | 80 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 12 | 80 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 13 | 81 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 15 | 81 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 18 | 75 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 2 | 72 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 20 | 70 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 21 | 70 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 22 | 61 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 24 | 97 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 25 | 65 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 26 | 100 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 27 | 57 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 28 | 58 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 29 | 60 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 3 | 63 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 30 | 73 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 31 | 73 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 4 | 65 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 6 | 83 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 8 | 88 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 9 | 75 ft | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| C | Not recorded | Yes | 32 | 32 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +20 more |
| 14 | 70 ft | Yes | 29 | 27 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +17 more |
| 23 | 64 ft | Yes | 29 | 29 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +17 more |
| 5 | 61 ft | Yes | 29 | 23 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027, Apr 14, 2027, Apr 15, 2027, Apr 16, 2027 +17 more |
| 7 | 83 ft | Yes | 29 | 23 nights | Apr 2, 2027, Apr 3, 2027, Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027, Apr 14, 2027, Apr 15, 2027, Apr 16, 2027 +17 more |
| 16 | 117 ft | Yes | 24 | 12 nights | Apr 4, 2027, Apr 5, 2027, Apr 6, 2027, Apr 7, 2027, Apr 8, 2027, Apr 9, 2027, Apr 10, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027, Apr 14, 2027, Apr 15, 2027 +12 more |
| 17 | 95 ft | Yes | 11 | 8 nights | Apr 18, 2027, Apr 19, 2027, Apr 20, 2027, Apr 26, 2027, Apr 27, 2027, Apr 28, 2027, Apr 29, 2027, Apr 30, 2027, May 1, 2027, May 2, 2027, May 3, 2027 |
| 19 | 65 ft | Yes | 8 | 3 nights | Apr 4, 2027, Apr 19, 2027, Apr 20, 2027, Apr 21, 2027, Apr 25, 2027, Apr 26, 2027, May 2, 2027, May 3, 2027 |
Dam East-McNair Campground is situated on the southern shore of Carlyle Lake, a prime getaway for city-dwellers and families. Located 50 miles east of St. Louis, the area offers the peaceful retreat of a small town combined with the grandeur of Illinois' largest man-made lake.
The area provides fun both on the water and on shore. Boat ramps and courtesy docks are located nearby, and the vast lake allows for plenty of water sports. Fishing is a popular pastime, and the lake offers year-round varieties of fish such as bluegill, crappie, channel catfish, flathead catfish, white bass, largemouth bass, freshwater drum, carp and walleye. There are multiple playgrounds on-site, as well as a swimming beach. A multi-use biking and walking trail is located a short distance away at the dam.
Dam East-McNair Campground has one reservable group picnic shelter that can accommodate up to 80 people, as well as 47 individual campsites (1-32 located within the North and South loops of the campground, 33-47 located within the East Spillway loop below the main dam) that are available to reserve from the current day up to six months in advance. The facility also provides a swimming beach, bathhouses and laundry facilities. McNair has a nature trail and a multi-use trail, and is connected to the Dam East facilities.
Created in 1967, the 26,000-acre lake is recognized as one of the nation's top ten inland sailing lakes and hosts several annual races and regattas.
Carlyle Lake is home to an array of wildlife that can be seen throughout the year. Its waters and shores are a resting spot for migratory waterfowl and other birds. There are six established Watchable Wildlife Sites with viewing towers open to the public around the lake.
The Carlyle Lake Visitor Center, located in the Dam West Recreation Area, has information available and nature exhibits on display, including a 215-gallon aquarium with native fish.
From I-57, take Old U.S. Highway 50 west for 22 miles to the Dam East Entrance road. Turn north and continue through the four-way intersection to the McNair Group Area.
View on Recreation.gov ↗ Get directions ↗












Reservations for Dam East - McNair Campground are made through Recreation.gov. 2,038 of 4,324 tracked site-nights are currently open (47.1%). Campsite Sniper has also detected 295 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.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Nov 2, 2026 18:20 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
Campsite Sniper detected 18 site-date openings at Dam East - McNair Campground in the last 7 days, 140 over 30 days and 295 over the last 90.
106 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Nov 4 at site 40. Confirm and book on Recreation.gov.
46 of the 47 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 117 ft. 46 of those 47 sites have a recorded maximum length and 1 does not; it is not counted as fitting.
April 2027, with 1,250 open site-nights in the current snapshot of 1,363.
Half of the openings Campsite Sniper detected appeared at least 6 days before the stay date; the middle 50% landed 3-15 days out. Campsite Sniper can monitor future changes for dates you select.
As of the Nov 2, 2026 snapshot: the next open date is Mon, Nov 2 and the next open weekend starts Fri, Nov 6. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Dam East - McNair Campground. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.