The park offers a variety of birding options, with over 120 species recorded. It is home to several habitats including mature forests and meadows that attract different types of birds such as warblers, vireos, thrushes during migration season. The area's diverse topography also provides excellent opportunities for spotting raptors like hawks or eagles soaring above the hillsides. Birdwatchers can explore multiple trails which offer unique viewing experiences throughout the year.

Twenty miles of trails are available to both hikers and horsemen. The terrain varies from steep to gently rolling. It is advised that horses and hikers be well conditioned for these trails. The Sugarloaf Mountain Trail (yellow), 2.1 miles, climbs through dense maple-dominated forests to the crest of Sugarloaf. This loop is short and rises almost 500 feet in less than a quarter mile.

Shawnee Ridge Trail (blue), 7.8 miles, comprises Bald Hill, Sand Hills and parts of Rocky Knob. Several steep sections are part of this forested trail.

Mt. Ives Trail (orange), 6.4 miles, winds along Mt. Ives and provides several scenic vistas. The trail is strenuous.

Three hiking trails (Grouse Rock, Spring Run and Picnic Loop) are available. The Spring Run Trail may be used for cross-country skiing when weather conditions permit.

Great Seal State Park in Ohio is a popular destination for outdoor enthusiasts, offering various swimming options to beat the summer heat. The park features a beautiful lake and a beach area, providing ample opportunities for visitors to enjoy a refreshing swim. Additionally, there are designated swimming areas and lifeguards on duty to ensure the safety of swimmers. Great Seal State Park is the perfect place to cool off, relax, and have fun in the water.