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Dam East - Mcnair Campground

Carlyle Lake — lakeside, fishing, hiking

Location: CARLYLE, IL, IL

Price: From $20 per night

Price range: $20–$125 per night

Rating: 4.5 out of 5 (322 reviews)

Season: Year-round

Dam East-McNair Campground is situated on the southern shore of Carlyle Lake, a prime getaway for city-dwellers and families. Louis, the area offers the peaceful retreat of a small town combined with the grandeur of Illinois’ largest man-made 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.

Cell coverage (FCC estimate): strong signal. Actual signal may vary in remote areas. Best carrier: T-Mobile. Verizon 4G: 100%. AT&T 4G: 100%. T-Mobile 4G: 100%.

Amenities: Fire Rings, Picnic Tables, Camp Host, Fishing, Boat Launch

Availability alerts: Set a free cancellation alert at camperwatch.org/campground/dam-east-mcnair-campground to be notified when sites open up.

Dam East-McNair Campground sits on the southern shore of Illinois' largest man-made lake, 50 miles east of St. Louis, offering water sports, fishing, and boating with friendly camp hosts who maintain the facility well.

Wildlife alert: White-tailed Deer, Great Egret, Wild Turkey, Double-crested Cormorant, American Mink, Black-tailed Gull, and Eastern Massasauga present in the area.

Insider tips for Dam East - Mcnair Campground: Book early—this is a federal campground with high demand Parking is close to beach access with a playground and shaded benches nearby Showers available at McNair area; sites feature trees and good separation between campers

Skip Dam East - Mcnair Campground if: You require RV hookups—no hookups available at most sites; only self-contained RVs suitable. You prefer spontaneous visits—seasonal operations and federal booking requirements mean advance planning necessary.

Best time to visit Dam East - Mcnair Campground: Year-round — Campground operates year-round, though early booking is essential as a federal campground.

Nearby campgrounds: Dam East Spillway (Day Use) (CARLYLE, IL), Dam West Spillway (CARLYLE, IL), Dam West Campground (CARLYLE, IL), Dam West Day Use (CARLYLE, IL).

Cell Phone Coverage at Dam East - Mcnair Campground

Cell signal at Dam East - Mcnair Campground (CARLYLE, IL): strong overall signal based on FCC broadband data. Best carrier: T-Mobile.

  • Verizon 4G LTE: 100% coverage · Verizon 5G: 100%
  • AT&T 4G LTE: 100% coverage · AT&T 5G: 100%
  • T-Mobile 4G LTE: 100% coverage · T-Mobile 5G: 100%

Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.

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CamperWatch›IL›Dam East - Mcnair Campground
Dam East - Mcnair Campground — photo 1
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Carlyle Lake — lakeside, fishing, hikingLive availability via Recreation.gov· synced every 30 min

Dam East - Mcnair Campground

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CARLYLE, IL, IL★ 4.5 (322 reviews)From $20/nightFederal campground · book on Recreation.gov
On this page ↓OverviewConditionsPlan Your TripCommunity

Dam East-McNair Campground is situated on the southern shore of Carlyle Lake, a prime getaway for city-dwellers and families. Louis, the area offers the peaceful retreat of a small town combined with the grandeur of Illinois’ largest man-made 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.

Best for:AnglersHikersBoatersWildlife watchersFamiliesSites:TentRV
LIVE · weather + fire + AQI + availability + wildlife

Verified facts

RIDB / Recreation.gov official database
Check-in2:00 PM
Check-out12:00 PM
SeasonYear-round
Stay limit14 days
Max RV117 ft
Hookups48 electric sites
Pull-throughsAvailable
ToiletsFlush toilets
PetsAllowed
CampfiresAllowed
Max/site6 people

Amenities

RIDB /facilities /campsites · owner-verified
Essentials
Fire RingsFishing
Recreation
Picnic TablesBoat Launch
Family & Pets
Camp Host

Straight talk

CamperWatch intel · curated from camper reports

Known issues, each with the workaround. Read before you book.

Known issuesFederal campground — book early. No hookups at most sites. Seasonal operations.
Skip it if:✕ You require RV hookups—no hookups available at most sites; only self-contained RVs suitable✕ You prefer spontaneous visits—seasonal operations and federal booking requirements mean advance planning necessary

Insider tips & when to go

CamperWatch intel · hand-curated entry

Book early

this is a federal campground with high demand

Parking is close to beach access with a playground and shaded benches nearby

Showers available at McNair area; sites feature trees and good separation between campers

Best: Year-round

Campground operates year-round, though early booking is essential as a federal campground

Things to do nearby

RIDB /activities /recareas + intel

Conditions today

Live
at campground coordinates

Cell signal

FCC BDC · quarterly dataset
T-Mobile
4G + 5G · 100%
Verizon
4G + 5G · 100%
AT&T
4G + 5G · 100%

FCC maps are theoretical — camper reports confirm signal. Best carrier: T-Mobile.

Wildlife nearby

iNaturalist · research-grade · 8 km
Alert: White-tailed Deer, Great Egret, Wild Turkey, Double-crested Cormorant, American Mink, Black-tailed Gull, and Eastern Massasauga present in the area.

Location

Leaflet · OpenStreetMap tiles
Open in OpenStreetMap ↗
618-594-5253· Carlyle Lake
Getting there →

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.

Campground entrance

Google Maps API

Community

#community · posts, photos & Q&A · AI-moderated (Claude Vision)

Pro tips

  • Book on recreation.gov exactly 6 months ahead at 10am ET — Carlyle Lake fills fast in peak season.
  • Check current road conditions at Carlyle Lake before arrival — seasonal closures common.

Frequently asked questions

RIDB facts + intel · FAQPage schema, speakable
How much does Dam East - Mcnair Campground cost per night?+
Dam East - Mcnair Campground costs $20–$125 per night. Hookup options: No hookups. Suitable for self-contained RVs.
What season is Dam East - Mcnair Campground open?+
Dam East - Mcnair Campground is open Year-round. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Dam East - Mcnair Campground have hookups?+
No hookups. Suitable for self-contained RVs.
What is the maximum RV length at Dam East - Mcnair Campground?+
Dam East - Mcnair Campground can accommodate RVs up to 117 feet.
How do I make reservations at Dam East - Mcnair Campground?+
Dam East - Mcnair Campground is a federal campground — book 6 months ahead at Recreation.gov. Set a free CamperWatch cancellation alert to be notified the moment a site opens.
What is the cell service like at Dam East - Mcnair Campground?+
According to FCC coverage maps, cell signal at Dam East - Mcnair Campground is rated strong. Best carrier: T-Mobile. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Dam East - Mcnair Campground open, and what are check-in times?+
Dam East - Mcnair Campground is open Year-round. Check-in is 2:00 PM, check-out is 12:00 PM.

Official resources

Print Facility Map
Compare campgroundsPlan a multi-stop trip
●Data sources on this page
Recreation.gov — Live site availability — updated every 30 min
recreation.gov · RIDB API
National Weather Service — Live hourly forecast + active alerts
api.weather.gov · open-meteo.com
Google Air Quality API — Live AQI at exact campground coordinates
airquality.googleapis.com
iNaturalist — Research-grade wildlife within 8km
api.inaturalist.org
Google Pollen API — Today’s tree, grass & weed pollen forecast
pollen.googleapis.com
FCC Broadband Map — Verizon, AT&T, T-Mobile 4G/5G coverage data
broadbandmap.fcc.gov · quarterly
Sunrise-Sunset.org — Sunrise, sunset & golden hour for today
api.sunrise-sunset.org
Google Street View — Campground entrance & access road imagery
maps.googleapis.com
RIDB — ADA sites, hookups, toilets, pets, campfire rules, bear boxes, max RV, activities, contact, directions
ridb.recreation.gov · /facilities /campsites /activities /links /recareas

CamperWatch never fabricates data. Where data is unavailable, it is not shown.

$20 /night★ 4.5 (322)
SeasonYear-round
Check-in2:00 PM
Check-out12:00 PM
Reserve on Recreation.gov ↗
Dates full? Get an availability alert
FAQ
How much does Dam East - Mcnair Campground cost per night?+
What season is Dam East - Mcnair Campground open?+
Does Dam East - Mcnair Campground have hookups?+
All 7 questions →

Nearby Campgrounds

Dam East Spillway (Day Use)

CARLYLE, IL

From $30/night

Dam West Spillway

CARLYLE, IL

From $30/night

Dam West Campground

CARLYLE, IL

From $20/night

Dam West Day Use

CARLYLE, IL

From $30/night

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