Following are activities planned for Tuscarora and Locust Lake state parks in Barnesville, over the coming July 4 holiday weekend.

Tom Power will present a program on native reptiles and amphibians. The program will be held at the Locust Lake amphitheater on Saturday at 5 p.m. Some live animals will be on hand. Shine only.

Conservation volunteer Pap Knauss will lead a hike on the “Spirit of Tuscarora Trail” at 11 a.m. on Sunday. The trail is 4.5 miles long and moderate in difficulty. The trail winds through several diverse habitats with a beautiful view of the Tuscarora Lake cove. Meet in the upper beach parking lot at the park near the trail head and bring a lunch. Dogs are welcome, but must be leashed and get along well with people and other pets. Shine only.

On Monday, at 10:30 a.m. a hike will be held to explore the mountain behind Locust Lake State Park and visit the Silver Creek Fire Tower and Reservoir. The hike is 7.5 miles long and difficult. The pine stands and brush are perfect habitat for birds and other wildlife. Meet at the visitor parking lot of the park located before the contact station at 10:15 a.m. to leave for the starting point. Bring a lunch and your dog for a nice relaxing hike in the woods. Registration is required by calling Robin Tracey at 570-467-2506. All pets must be leashed and get along with people and other pets. Shine only.