1. Picnic Tables: Spiegel Grove State Park offers numerous picnic tables scattered throughout the park where visitors can enjoy a meal amidst nature.

2. Grills and Fire Pits: For those who prefer to cook their own food, there are several grills and fire pits available for public use in designated areas of the park.

3. Open Fields: The open fields within the state park provide ample space for picnickers to spread out a blanket under one of many shade trees or soak up some sun while enjoying their meals.

4. Pavilion Rentals: If you're planning on having a large gathering, pavilions with seating arrangements can be rented at this Ohio state park which also provides shelter from unexpected weather changes during your picnic outing.

5. Near Playgrounds & Trails: Some families might choose to have an informal lunch near playgrounds so children can play before/after eating; others may opt for spots close by hiking trails if they plan on walking off that big sandwich afterwards!

6. Self-Catering Options: Visitors are allowed bring along packed lunches or snacks as per personal preferences making it convenient especially when travelling with kids or people following specific diets.

7. Picnicking By Rutherford B Hayes Home: A unique option is setting up your picnic spot overlooking President Rutherford B.Hayes' 31:room mansion giving historical context alongside scenic beauty.

8. Near Fishing Pond: Anglers could set-up casual outdoor dining experiences next-to fishing ponds adding another fun activity into mix besides just eating!

The park, located in Ohio, offers a variety of birding options for enthusiasts. It is home to numerous species including warblers and woodpeckers which can be spotted throughout the year. The lush greenery provides an ideal habitat for these birds making it a popular spot among bird watchers. Visitors are encouraged to bring binoculars or spotting scopes as some birds may be high up in trees or at distance across fields.