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Boulder Day Use

Carlyle Lake — lakeside, fishing, hiking

Location: CARLYLE, IL, IL

Price: From $30 per night

Rating: 2 out of 5 (1 reviews)

Season: Year-round

Boulder Day Use Area is situated on the eastern 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.Boulder Day Use Area provides modern amenities like flush toilets and drinking water, as well as one reservable group picnic shelter that can accommodate up to 75 people. Boaters have the convenience of a marina, boat ramp and fish cleaning station.

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, Flush Toilets, Drinking Water, Camp Host, Fishing, Boat Launch

Availability alerts: Set a free cancellation alert at camperwatch.org/campground/boulder-day-use to be notified when sites open up.

Boulder Day Use Area sits on the eastern shore of Carlyle Lake, Illinois' largest man-made lake, offering peaceful retreat combined with excellent water recreation 50 miles east of St. Louis. The area provides boat ramp access, courtesy dock, and abundant opportunities for fishing and water sports.

Wildlife alert: White-tailed Deer, Northern Cardinal, Bank Swallow, Northern House Wren, Northern Pintail, and Eastern Garter Snake documented in the area

Insider tips for Boulder Day Use: Book early as this is a federal campground with limited availability Bring your own boat or use the boat ramp and courtesy dock for water sports Fish the lake, a popular activity at this location

Skip Boulder Day Use if: You need RV hookups - no hookups available at this site. You require multiple camping options - only 1 tent site total.

Best time to visit Boulder Day Use: Year-round — Campground operates year-round according to verified data.

Nearby campgrounds: Boulder Campground (CARLYLE, IL), Lotus Group Area (CARLYLE, IL), Coles Creek Day Use (CARLYLE, IL), Keyesport Rec. Area (CARLYLE, IL).

Cell Phone Coverage at Boulder Day Use

Cell signal at Boulder Day Use (CARLYLE, IL): strong overall signal based on FCC broadband data. Best carrier: T-Mobile.

  • Verizon 4G LTE: 100% coverage
  • 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›Boulder Day Use
Boulder Day Use — photo 1
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Carlyle Lake — lakeside, fishing, hikingLive availability via Recreation.gov· synced every 30 min

Boulder Day Use

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CARLYLE, IL, IL★ 2 (1 reviews)From $30/nightFederal campground · book on Recreation.gov
On this page ↓OverviewConditionsPlan Your TripCommunity

Boulder Day Use Area is situated on the eastern 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.Boulder Day Use Area provides modern amenities like flush toilets and drinking water, as well as one reservable group picnic shelter that can accommodate up to 75 people. Boaters have the convenience of a marina, boat ramp and fish cleaning station.

Best for:AnglersHikersBoatersWildlife watchersFamiliesSites:Tent
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
Hookups1 electric sites
ToiletsFlush toilets
PetsAllowed
CampfiresNot permitted
Max/site6 people

Amenities

RIDB /facilities /campsites · owner-verified
Essentials
Fire RingsDrinking WaterBoat Launch
Recreation
Picnic TablesCamp Host
Family & Pets
Flush ToiletsFishing

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 need RV hookups - no hookups available at this site✕ You require multiple camping options - only 1 tent site total

Insider tips & when to go

CamperWatch intel · hand-curated entry

Book early as this is a federal campground with limited availability

Bring your own boat or use the boat ramp and courtesy dock for water sports

Fish the lake, a popular activity at this location

Best: Year-round

Campground operates year-round according to verified data

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 · 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, Northern Cardinal, Bank Swallow, Northern House Wren, Northern Pintail, and Eastern Garter Snake documented in the area

Location

Leaflet · OpenStreetMap tiles
Open in OpenStreetMap ↗
618-226-3586· Carlyle Lake
Getting there →

(Address: 25501 Boulder Access RD, Shattuc, IL 62231). From I-57, take Old U.S. Highway 50 west. Continue for 19 miles through Salem, Odin and Sandoval. Turn north on Boulder Road and follow 7 miles to the day use and recreation 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 Boulder Day Use cost per night?+
Boulder Day Use costs $30 per night. Hookup options: No hookups.
What season is Boulder Day Use open?+
Boulder Day Use is open Year-round. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Boulder Day Use have hookups?+
No hookups.
What is the maximum RV length at Boulder Day Use?+
Boulder Day Use is primarily a tent camping facility.
How do I make reservations at Boulder Day Use?+
Boulder Day Use 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 Boulder Day Use?+
According to FCC coverage maps, cell signal at Boulder Day Use 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 Boulder Day Use open, and what are check-in times?+
Boulder Day Use is open Year-round. Check-in is 2:00 PM, check-out is 12:00 PM.
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.

$30 /night★ 2 (1)
SeasonYear-round
Check-in2:00 PM
Check-out12:00 PM
Reserve on Recreation.gov ↗
Dates full? Get an availability alert
FAQ
How much does Boulder Day Use cost per night?+
What season is Boulder Day Use open?+
Does Boulder Day Use have hookups?+
All 7 questions →

Nearby Campgrounds

Boulder Campground

CARLYLE, IL

From $20/night

Lotus Group Area

CARLYLE, IL

From $200/night

Coles Creek Day Use

CARLYLE, IL

From $30/night

Keyesport Rec. Area

CARLYLE, IL

From $30/night

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