Whipple Dam State Park in Petersburg, Pennsylvania is a small state park, but it packs a lot of punch. There is a four-mile system of trails through the park that goes through the forest. There are trails that are paved and trails that are covered in gravel. The park revolves around the lake created by the Whipple Dam, so there are lake beaches, as well as swimming, and a sizeable picnic area.
With grills and a large gazebo that can be reserved. There are also smaller shelters to avoid the rain and weather, and in the summer, there is even a concession stand. So, Whipple Dam State Park isn't the biggest park, but it has a lot of what the average park goer is looking for. The best part is that the park is dog-friendly.
There isn't an off-leash area at Whipple Dam, but, between the trails, the beach, and the large, grassy meadows you won't miss it. There isn't any place in the park where your dog isn't allowed, however, if your dog enjoys swimming, you should be aware that the park does allow fishing.
Of course, the park also has docks and small boats and canoes for rent so that you can enjoy the water in different ways. As for the trails, they all go through the trees, and some get into the surrounding hills. The paths that go up into the hills have signs advising that the trail can get steep, so if you or your dog are motion impaired, you can plan accordingly and avoid the hills altogether.
The Whipple Dam State Park has a lot of garbage cans but not a lot of poop bags, so you should definitely bring your own. Also, the park has fountains, but no puppy fountains, so make sure you bring your own bowl and water. The park has a large, well-maintained parking lot, and the picnic area and gazebo are ADA-approved. The Whipple Dam State Park itself may be small, but there's enough elbow room that you and your dog won't feel crowded.