Boulder Campground

Carlyle Lake — lakeside, fishing, hiking

Location: CARLYLE, IL, IL

Price: From $20 per night

Price range: $20–$40 per night

Rating: 4.6 out of 5 (355 reviews)

Season: Year-round

Boulder Campground 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 manmade lake. Boulder Campground provides fun both on the water and on shore.

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, Showers, Electric Hookups, Camp Host, Fishing, Boat Launch

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

Boulder Campground sits on the eastern shore of Carlyle Lake, Illinois' largest manmade lake, offering water sports, fishing, and a peaceful retreat 50 miles east of St. Louis. The campground provides boat ramps, courtesy docks, and access to both water and shore recreation.

Wildlife alert: White-tailed Deer, Northern Cardinal, Bank Swallow, Northern House Wren, Bonaparte's Gull, and Eastern Garter Snake documented in the area.

Insider tips for Boulder Campground: Book early—this is a federal campground with high demand Electric hookups available on select sites only; confirm hookup availability when reserving Carlyle Lake offers excellent fishing and water sports opportunities

Skip Boulder Campground if: You need water or sewer hookups—only electric hookups available on select sites. You require guaranteed hookups—most sites have no hookups. You prefer spontaneous visits—seasonal operations and federal booking requirements.

Best time to visit Boulder Campground: Year-round — Campground operates year-round, though booking early is essential due to federal campground demand..

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