Resident and migratory songbirds are abundant at the state park beginning in April and remain through the middle of the summer. During winter, from the shoreline of the state park, waterfowl are abundant on the lake. Henslow’s sparrows nest on the park most years. Eagles are readily viewable during the winter months with peaks in January and February, but have been seen during all months of the year. Osprey may be seen during almost any month, but are more common during the fall migration.

Green River Lake is an 8,210-acre reservoir in Adair and Taylor counties in Kentucky lying in the section of Kentucky known as the Highland Rim.

The lake was developed by the United States Army Corps of Engineers in 1969 by impounding the Green River. The dam is an 11-mile drive equidistant from the cities of Campbellsville and Columbia. The lake is located 90 miles southeast of Louisville.

Operated and maintained primarily for flood control, the lake has become the major attraction of Green River Lake State Park.

The Army Corps of Engineers started construction of a dam in 1964 and Green River Lake State Park opened in 1969. With 1,331 acres of land along with the 8,200-acre lake. The park has many attractions for those who love nature and wish to experience the beauty that is found in the Campbellsville, Kentucky area.

Park options include an 18-hole miniature golf course, hiking trails, a beach, picnic area, and a playground. The lake's marina has a restaurant, boat slips, and rentals for different types of boats. The lake abounds in bass, bluegill, catfish, and crappie.

The AllTrails website has descriptions and maps of hikes at Green River Lake State Park.