Did you know that Eldon Hazlet State Park sits on the shores of Carlyle Lake, the largest man-made lake in Illinois at approximately 26,000 acres (10,500 hectares)? This hidden Midwest gem offers pristine waters, scenic trails, and abundant wildlife, making it a perfect escape for outdoor enthusiasts. Whether you’re planning a day trip or a weekend getaway, Eldon Hazlet State Park promises unforgettable adventures for the whole family with its exceptional sailing, fishing, hiking, and camping opportunities.
Getting There & Planning Your Journey
Located just an hour east of St. Louis, Eldon Hazlet State Park is easily accessible for weekend warriors and day-trippers alike. The park is situated near the town of Carlyle in Clinton County, Illinois, approximately 80 km (50 miles) from St. Louis.
Nearest Airports
- St. Louis Lambert International Airport (STL) – 120 km (75 miles) west
- MidAmerica St. Louis Airport (BLV) – 72 km (45 miles) southwest
- Central Illinois Regional Airport (BMI) – 208 km (130 miles) north
The park is located off Route 127, with the main entrance to Eldon Hazlet State Park clearly marked. Other popular entry points include the Dam West Recreation Area and Keyesport Beach on the northern shore of Carlyle Lake.
Best Time to Visit Eldon Hazlet State Park
Eldon Hazlet State Park shines brightest from late spring through early fall. Summer months (June-August) offer ideal conditions for swimming, boating, and water sports, with temperatures typically ranging from 24-32°C (75-90°F). The lake becomes a hub of activity during this peak season.
| Season | Temperature | Activities | Crowd Level | Recommendation |
| Spring (Mar-May) | 7-24°C (45-75°F) | Fishing, Hiking, Birdwatching | Low to Moderate | Great for nature enthusiasts |
| Summer (Jun-Aug) | 24-32°C (75-90°F) | Swimming, Boating, Camping | High | Ideal for water activities |
| Fall (Sep-Nov) | 7-27°C (45-80°F) | Hiking, Photography, Fishing | Moderate | Perfect for scenic views |
| Winter (Dec-Feb) | -4-7°C (25-45°F) | Eagle Watching, Ice Fishing | Low | For dedicated outdoor enthusiasts |
For those seeking a more tranquil experience, consider visiting during the shoulder seasons. May and September offer pleasant temperatures with fewer crowds. Fall brings spectacular foliage around the lake, creating a picturesque backdrop for hiking and photography.
Getting Around Locally
Having your own vehicle is highly recommended for exploring Eldon Hazlet State Park and its surrounding attractions. The recreation area spans a large territory, and public transportation options are limited in this rural part of Illinois.
Transportation Options
- Personal Vehicle: The most convenient way to explore the various recreation areas, beaches, and trails around the park.
- Bicycle: The Carlyle Lake Bike Trail offers an excellent way to explore parts of the lake. Bring your own or inquire about rentals at local marinas.
- Boat: Water transportation is popular for accessing different parts of the shoreline. Several marinas offer boat rentals.
Where to Stay
Eldon Hazlet State Park offers diverse accommodation options, from rustic camping to comfortable cabins and nearby hotels. Whether you’re looking for an immersive outdoor experience or prefer modern amenities, you’ll find suitable lodging options for every preference and budget.
Camping Options
Eldon Hazlet State Park Campground
One of the largest campgrounds in Illinois with over 300 sites featuring electrical hookups, modern restrooms, showers, and a camp store. Both tent and RV camping available with many sites offering lake views.
Dam West Recreation Area
Operated by the U.S. Army Corps of Engineers, this campground offers full hook-up sites with water, electricity, and sewer connections. Clean facilities and proximity to the Visitor Center make it a popular choice.
Cabins and Indoor Accommodations
- Eldon Hazlet Cabins: Comfortable cabins within the state park offering a perfect balance of outdoor experience and modern convenience.
- Hickory Shores Resort: Lakeside cabins with kitchenettes and private docks for those wanting direct lake access.
- Hotels in Carlyle: Several chain and independent hotels are available in the nearby town of Carlyle for those preferring traditional accommodations.
Dining & Local Cuisine
While Eldon Hazlet State Park itself has limited dining options within the recreation areas, the nearby town of Carlyle offers a variety of restaurants serving hearty Midwestern fare. Many visitors opt to bring picnic supplies or cooking equipment for meals by the lake.
Local Restaurants
- Carlyle Diners: Several family-owned restaurants in town serve classic American comfort food and regional specialties.
- Fast Food Options: For quick meals, the town has familiar fast-food chains.
- Specialty Ice Cream: Don’t miss stopping at the local Dairy Queen for a cool treat after a hot day at the lake.
Picnicking
Numerous designated picnic areas with tables and grills are available throughout the recreation areas. Dam West, Keyesport, and Eldon Hazlet State Park all feature well-maintained picnic facilities, many with beautiful lake views.
Pro Tip: Stock up on supplies at the Walmart in Carlyle or local grocery stores before heading to the park. The camp stores have limited food options and typically charge premium prices.
Water Activities at Carlyle Lake
Known as one of the top ten sailing lakes in the country, Carlyle Lake offers exceptional conditions for boaters and water enthusiasts of all kinds. The lake’s vast expanse provides ample space for various water activities throughout the warmer months.
Boating and Sailing
The consistent winds and open waters make Carlyle Lake a paradise for sailing enthusiasts. Several marinas around the lake offer rentals, including:
- Carlyle Lake Marina – offering pontoon boats, fishing boats, and kayaks
- Dam West Marina – featuring sailboat rentals and lessons
- Keyesport Harbor – providing jet ski and paddleboard rentals
Fishing at Carlyle Lake
Anglers flock to Carlyle Lake for its abundant fish population. The lake is home to numerous species including largemouth bass, crappie, catfish, white bass, and sauger. Popular fishing spots include the tailwaters below the dam, the Kaskaskia River mouth, and the numerous coves along the shoreline.
Swimming Beaches
When temperatures rise, the sandy beaches of Carlyle Lake provide perfect spots for swimming and sunbathing:
Keyesport Beach
Located on the northwest side of the lake, this family-friendly beach offers clean sand, restroom facilities, and a playground for children. The swimming area is marked with buoys for safety.
Dam West Beach
Situated near the Visitor Center, this popular beach includes restrooms, showers, and a playground. While it can get crowded on summer weekends, the convenient location and amenities make it worth a visit.
Hiking and Biking Trails
Eldon Hazlet State Park boasts an extensive network of trails that wind through diverse ecosystems, offering opportunities to observe local wildlife and enjoy scenic views of the lake. From easy, accessible paths to more challenging routes, there’s a trail for every skill level.
Popular Hiking Trails
Kaskaskia River Trail
Distance: 1.5 mile loop
Difficulty: Easy
Features: Historic General Dean Suspension Bridge, lake views, spillway, playgrounds
This mostly flat, paved trail is perfect for families. Starting at the General Dean Suspension Bridge, the path follows the river and dam spillway with several playgrounds along the route.
Cherokee Trail
Distance: 3 miles (three connected loops)
Difficulty: Moderate
Features: Wooded areas, lake views, wildlife
This versatile trail system in Eldon Hazlet State Park allows hikers to choose their adventure with three interconnected loops. The path travels through diverse habitats with occasional lake views.
More Trails to Explore
- Wetland Education Trail: A 0.5 mile concrete paved loop with interpretive signs and a wooden boardwalk extending over a pond.
- Pawnee Trail: This 1.0 mile loop features the historic Burnside Cemetery and offers lake overlooks.
- Illini Trail: A 1.5 mile wheelchair/stroller accessible loop that passes through a restored prairie and past a fishing pond.
- Bluestem Trail: A 0.5 mile accessible loop through a prairie restoration area with over 50 species of native plants.
Carlyle Lake Bike Trail
Cyclists will appreciate the Carlyle Lake Bike Trail, which combines dedicated paths with rural roads for a comprehensive tour of the lake area. The trail offers varying levels of difficulty, making it suitable for casual riders and serious cyclists alike. A popular starting point is near the historic General Dean Suspension Bridge, which itself is worth a visit.
Trail Tip: Many trails at Eldon Hazlet State Park are closed Wednesday through Sunday from early November to early January for controlled pheasant hunting. Always check current trail status before planning your hike.
Wildlife Viewing and Nature
Eldon Hazlet State Park is a haven for wildlife enthusiasts, especially birdwatchers. The diverse ecosystems around Carlyle Lake support a rich variety of plant and animal species, making it an excellent destination for nature observation.
Birdwatching
Carlyle Lake serves as an important stopover for migratory birds, making it a premier birdwatching destination. During winter months, bald eagles can be spotted hunting over the lake and perching in tall trees along the shoreline. Great blue herons, egrets, and various waterfowl are common sights throughout the year.
Best Wildlife Viewing Spots
- Wetland Education Trail: This accessible trail features a boardwalk over a pond where frogs, turtles, and water birds can be observed up close.
- Dam Spillway: Eagles often hunt in this area during winter months.
- Prairie Restoration Areas: These areas attract butterflies, grassland birds, and small mammals.
The best times for wildlife viewing are early morning and late afternoon when animals are most active. Bring binoculars, a camera with zoom lens, and move quietly to avoid disturbing the wildlife.
Carlyle Lake Visitor Center
Start your Eldon Hazlet State Park adventure at the Visitor Center, where you’ll find valuable information about the lake’s history, wildlife, and recreational opportunities. This modern facility offers more than just maps and brochures—it’s an educational experience in itself.
Interactive Exhibits
Kids and adults alike will enjoy the center’s interactive displays. Highlights include a climbing tree log where children can test their balance and coordination, and a fascinating live beehive exhibit that offers a glimpse into the busy world of these important pollinators.
The center also features exhibits on the construction of the dam and the diverse wildlife that calls Carlyle Lake home. Knowledgeable staff are available to answer questions and help plan your visit to make the most of your time at the park.
Visitor Center Hours: Open daily from 10:00 AM to 6:00 PM during summer months (Memorial Day through Labor Day). Hours may vary during other seasons, so it’s advisable to check before visiting.
Family-Friendly Activities
Eldon Hazlet State Park is a paradise for families seeking outdoor fun and quality time together. Beyond the beaches and trails, the area offers numerous activities specifically designed with families in mind.
Playgrounds and Picnic Areas
Several well-maintained playgrounds are scattered throughout the recreation areas, particularly near the beaches and campgrounds. These play areas provide a perfect outlet for children’s energy while parents relax nearby. Abundant picnic areas with tables and grills make it easy to enjoy meals outdoors with a view of the lake.
Wildlife Watching
Carlyle Lake is a haven for wildlife enthusiasts, especially birdwatchers. The lake serves as an important stopover for migratory birds, including impressive numbers of bald eagles during winter months. The wetland areas are particularly good spots for observing herons, egrets, and waterfowl.
Seasonal Events
Throughout the year, Carlyle Lake hosts family-friendly events ranging from fishing derbies to nature programs. During December, don’t miss the holiday light display in the town of Carlyle—a festive attraction that delights visitors of all ages with its colorful illuminations and photo opportunities.
Practical Travel Tips
Fees and Passes
While Eldon Hazlet State Park is free to enter, some Corps of Engineers recreation areas around Carlyle Lake (such as Keyesport and Dam West) charge a daily fee of $5 per vehicle. Payment kiosks are available on-site.
If you have a National Parks Pass such as the America the Beautiful annual pass or a lifetime pass, these fees are waived. For frequent visitors, purchasing an annual pass may be more economical than paying daily fees.
Safety and Preparation
- Bring sunscreen, insect repellent, and plenty of water, especially during summer months.
- Be aware of potential hazards such as poison ivy along trails and the possibility of encountering snakes.
- Always follow posted swimming guidelines and be cautious on the water, as the lake can become choppy during windy conditions.
- Cell phone coverage can be spotty in some areas of the park, so download maps or bring paper copies.
- Pack out what you bring in and follow Leave No Trace principles to preserve the natural environment.
Are pets allowed at Eldon Hazlet State Park?
Pets are welcome in most areas of Eldon Hazlet State Park but must be kept on a leash no longer than 10 feet. They are not permitted on designated swimming beaches or in public buildings. Always clean up after your pet and ensure they have plenty of water, especially during hot weather.
Is fishing license required at Carlyle Lake?
Yes, a valid Illinois fishing license is required for anyone 16 years or older. Licenses can be purchased online through the Illinois Department of Natural Resources website or at local bait shops and sporting goods stores. Be sure to familiarize yourself with current fishing regulations and size limits.
Visitor Comments About Eldon Hazlet State Park
“The sunsets over Carlyle Lake are absolutely breathtaking – worth the trip alone! We spent three days camping and exploring the trails, and each evening was capped with a spectacular show of colors reflecting off the water.”
“Perfect family camping spot with clean facilities and plenty of space for the kids to run around. The beaches were great for swimming, and the park staff were incredibly helpful with activity suggestions. We’ll definitely be returning next summer!”
“The fishing here is exceptional, caught my personal best bass on a quiet morning. The lake has so many good spots, and even when it gets busy on weekends, you can always find a peaceful cove to drop your line. Don’t miss the early morning bite!”
Your Illinois Outdoor Adventure Awaits!
From exhilarating water sports to peaceful nature trails, Eldon Hazlet State Park offers a perfect blend of adventure and relaxation in the heart of Illinois. This magnificent park has something for everyone—whether you’re an avid angler, a sailing enthusiast, a family seeking outdoor fun, or simply someone in need of a tranquil escape from everyday life.
The diverse ecosystems surrounding Carlyle Lake provide endless opportunities for exploration and wildlife observation, while the well-maintained recreational facilities ensure comfort and convenience throughout your stay. With its proximity to St. Louis and reasonable distance from Chicago, Eldon Hazlet State Park makes for an ideal weekend getaway or an extended vacation destination in America’s heartland.
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