The trails at White Clay Creek State Park trace along gentle hills, woods and rushing streams through the Mid-Atlantic flood plain near Delaware’s northwest border. About 35 miles of well-groomed, multi-use trails wind throughout the four areas of the park. The Middle Run Natural Area is situated between the main parkland and the eastern part of the park (Judge Morris Estate). Mountain bike riders can travel two miles by trail from the Judge Morris Estate through the county-owned Middle Run Valley Natural Area to Possum Hill.

These trails are especially nice for beginners and families or an afternoon of mountain bike riding with your significant other. The trails are well-maintained, smooth and hard-packed with very few rocks or obstructions. There are a few climbs, drops and long downhill sections as well as a skills section however nothing is too difficult.

There are plenty of year-round activities available at White Clay Creek. The Nature Center hosts fun and interesting public programs and visitors can enjoy outdoor activities such as fishing, birdwatching or disc golf. Families may take advantage of the large picnic area and pavilion for a reunion or to host a casual barbecue with friends, followed by an evening concert or other special event throughout the summer. Sledding and cross-country skiing are among the many winter activities available at the park.

Declared a National Wildlife and Scenic Rivers system in 1991, the White Clay Creek watershed is one of only a few relatively unspoiled, ecologically-functioning river systems in the urbanized corridor between Philadelphia, Pennsylvania and Newark, Delaware. An oasis in the White Clay Creek State Park includes four linked areas: the Carpenter Recreation Area, White Clay Creek Preserve, Possum Hill and the Judge Morris Estate.