Cowan Lake State Park

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Located in southwestern Ohio, Cowan Lake State Park is a nature lover`s delight that offers a peaceful lake setting to provide you with a perfect balance of recreation and relaxation for your next RV vacation. This lake setting is appealing to naturalists as it is complete with scenic inlets and wooded shoreline. Swimming, fishing, picnicking, boating, hiking, and hunting are the popular outdoor activities at this lotus-laden, 1,775-acre State Park.

If you love boating, the 700-acre Cowan Lake is surrounded by three boat ramps for easy access and has a 10-horsepower limit. Boats, canoe, and seasonal dock rental services are available. Fishing is allowed on the lake for you to enjoy catches of crappie, muskie, catfish, bluegill, and largemouth bass. For hikers, there is four miles worth of hiking trails traversing through the natural mature woodlands of the park.

Once you park your camper, venture into Lotus Cove Trail that is one-mile long. It will lead you to the American lotus water lily colony. The longest trail is Spillway at over two and a half miles. The south lakeshore provides a 1,000-foot public swimming beach with changing rooms and showers. Several areas are designated for swimming during daylight hours. The park has three picnic areas equipped with picnic tables and grills. Outdoor winter activities at Cowan Lake State Park include ice fishing, sledding, and cross-country skiing when weather conditions allow.

RV Rentals in Cowan Lake State Park

Transportation in Cowan Lake State Park


Cowan Lake State Park is located in Clinton County. Roads within Cowan Lake State Park are well designed and paved to ensure that you can move with ease whether in you are in your campervan or your car. These local roads will take you anywhere you want to go within the park, from the entrance, to the beach, and the campground.

There are several options for parking RVs and trailers with well-spaced parking lots spread across the park. There are two parking spaces near the dam spillway. These ADA-accessible parking spaces are well marked to ensure that there is no traffic interference or congestion within the park. If you are staying overnight, you can park your rig at the campground.

Lack of strict driving restrictions at Cowan Lake State Park will ensure that you can easily access different recreation spots within the park with ease. You can also get around on foot. The park has more than four miles of hiking trails. They begin near the cabin and camping areas and traverse throughout the scenic locations of the park.


Public Transport

Campgrounds and parking in Cowan Lake State Park

Campsites in Cowan Lake State Park

Reservations camping

Cowan Lake State Park Campground

Cowan Lake State Park features a campground with a total of 254 campsites, most of which offer electric hookups. Four campsites are wheelchair accessible. Once you set up your rig you can cook up and service a delicious meal thanks to the fire ring and picnic table right at your site. Services at these campsites include shower houses, laundry facilities, flush toilets, and a dump station.

Fun amenities at the campground include a camper`s beach, a basketball court, and a boat launch ramp. A camp store is available at the campsites. It provides snacks, ice cream, camping items, grill, and rental services for bikes and kayaks.

Pets are allowed on all sites. A group camp is available for organized group camping. The group camp accommodates a total of 60 people and can be booked via the park office. Reservations must be made one day ahead of arrival and up to 12 months in advance.

First-come first-served

Alternate camping

Seasonal activities in Cowan Lake State Park



Swimming is a major outdoor activity at the park. Cowan Lake State Park has a 1,000-foot public beach located on the South Lake Shore. You'll love the on-site amenities including a bathhouse, showers, and a snack bar. Swimming is allowed during daylight hours only and pets are not permitted on swimming beaches.


One of the popular activities in Cowan Lake State Park is sailing on the 700-acre Cowan Lake. You can easily access the lake via the three boat launch ramps surrounding the lake. Boats, motors, kayaks, canoe, and seasonal docks are available for rent. Boat camping and boat swimming are available at the northern portion of the lake. Carry your own trash bags as trash cans are not provided at the Marina and boat ramps.


Cowan Lake State Park has three picnic areas well fitted with picnic tables and outdoor grills. The picnic areas are located in tree-shaded areas overlooking the lake. You'll love the scenic view of Cowan Lake at the Pine Tree picnic area. There is picnic supplies rental service at the South Shore Marina Concession.


Winter Activities

When weather conditions permit, Cowan Lake State Park will offer you blood pumping and adventurous winter activities like sledding, ice fishing, and cross-country skiing. These activities will give you the chance to get out and enjoy yourself in the cold. Cowan Lake State Park is a great place to bring your high horsepower snowmobiles and explore the snow covered trails. Snowmobiling trails are well marked with suitable signs during winter. Pick the best groomed and designated trail and make sure you have some good time out in the cold.


Cowan Lake State Park has six hiking trails which total four miles altogether. The trailheads are close to the cottage and camping areas and they will take you to the scenic spots within the park. The shortest trail is Beechnut Loop which is half-mile long, while Spillway is the longest stretching for over two and a half miles. The Lotus Cove Trail will offer you with a boardwalk view of the American Lotus colony. The Emerald Woods Trail is nearly two miles long and curls through a mature beech forest. The park has one mountain Bike Trail that is one mile long.


Cowan Lake State Park is an ideal place to go fishing. Cowan Lake has a depth of 42 feet with water up to 25 feet deep offering you good spots to wet your line. The lake offers you with a collection of numerous fish like crappies, bluegill, catfish, carp, and saugeye, which is stocked annually. Gizzard shad are the main forage species. There is an accessible fishing pier near the Pine Tree Picnic area. If you didn't bring your own fishing gear in your rig, no worries, you can rent some at the park. You must possess a valid Ohio fishing license to go fishing.

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