The Class A campgrounds have electrical hook-ups, while the Class B do not. A horseman's campground is available with one portion having electrical hook-ups, showers, and toilets—while the other portion is more primitive. Activities Sight seeing, birdwatching, mountain biking, fishing, hiking and horse riding are all popular activities at Brown County State park. The park is one of fourteen Indiana State Parks that are in the path of totality for the April 8, 2024, solar eclipse. The total eclipse should last three minutes and fifty–four seconds. The park has over of mountain bike trails, including trails endorsed by the International Mountain Bicycling Association and Bike Magazine. Four beginner trails are to long. The expert trail is long. During July 2018, Bicycling magazine named Brown County one of "The Top 6 Secret Mountain Bike Destinations in the US", and listed the park's recently completed Hobbs Hollow as a must-ride trail. Fishing is available at two lakes to holders of a state fishing license. Bass and bluegill are stocked at Ogle Lake and the smaller Strahl Lake. Rowboats and electric trolling motors are permitted on Ogle Lake to holders of an Indiana Department of Natural Resources lake permit. Boats are not allowed on Strahl Lake. Licenses and permits are available at the park office, and bait at the park's country store. The park has 12 hiking trails that total over . These trails can be used to access places of interest in the park, including the two lakes, the Ogle Hollow Nature Preserve, Hesitation Point, and lookout towers. The CCC Trail is a moderate difficulty trail built by the Civilian Conservation Corps. This trail "crosses over impressive stone bridges, stairways, and retaining walls and passes by the Lower Shelter and the North Lookout Tower, both CCC projects". Horseback riding is one of the fastest growing forms of recreation. Brown County State Park has over 20 horse trails, and 11 are wide enough that riders can ride two abreast. These trails range from to nearly in length. Horseback riders have their own entrance to the park, in the park's southeast corner, which leads to the horsemen's campground—also in the southeast of the park. There are facilities typical of the park's regular and primitive campgrounds and hitch rails. A maximum of six horses per campsite is allowed, and horse permits are mandatory. On the other side of the park, a saddle barn is open