Cowan Lake is a 700-acre body of water located in southwest Ohio, offering paddlers a peaceful setting with scenic inlets and wooded shoreline. The lake has a 10-horsepower limit on motorized boats, making it an ideal destination for canoeists and kayakers seeking calm waters.

Access to the lake is convenient, with three boat ramps located around its perimeter. An accessible kayak launch is also available. The beach area provides another good put-in location for paddlers. Canoes and kayaks can be rented seasonally from the South Shore Marina and Camp Store.

One of the lake's most notable features is the abundance of American lotus water lilies, particularly in July and August. These impressive aquatic plants create pathways lined with giant lily pads and large yellow flowers up to 2 feet in diameter. Two coves with lotus colonies are popular paddling destinations - one near the campground on the east end of the lake, and another just beyond the swim beach.

Wildlife viewing opportunities abound, with ducks, geese, herons, and even bald eagles frequently spotted. The surrounding woodlands host a variety of songbirds and mammals. The lake's shallow areas and coves provide excellent habitat for fish, including saugeye, crappie, largemouth bass, catfish, and bluegill.

Paddlers can explore the entire lake in a day trip, including its various inlets and coves. The lake's shape offers numerous quiet spots to take breaks or enjoy a picnic. For those seeking a longer stay, a campground is available for overnight trips.

Facilities for paddlers include picnic areas, restrooms, and a 1,000-foot public beach on the south shore. The park follows a carry-in, carry-out policy, so visitors should plan to pack out their trash.

Historically, the area was once home to Miami and Shawnee tribes. The lake was formed in 1950 by damming Cowan Creek, and became a state park in 1968. Today, Cowan Lake State Park offers a tranquil paddling experience suitable for families and nature enthusiasts alike.